diff --git a/deps/gtest/download_gtest.sh b/deps/gtest/download_gtest.sh
index 6754f5ed..f08740c1 100755
--- a/deps/gtest/download_gtest.sh
+++ b/deps/gtest/download_gtest.sh
@@ -10,5 +10,5 @@ GTEST_VERSION=googletest-release-${VERSION}.zip
 GTEST_LINK=https://github.com/google/googletest/archive/release-${VERSION}.zip
 
 if [[ ! -f ${GTEST_VERSION} ]]; then
-    wget -O ${GTEST_VERSION} ${GTEST_LINK}
-fi
\ No newline at end of file
+    wget -O ${GTEST_VERSION} ${GTEST_LINK}  --no-check-certificate
+fi
diff --git a/examples/Makefile b/examples/Makefile
index 72142814..c2058bbd 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -6,25 +6,29 @@ CXXFLAGS := $(CXX11FLAGS)$(OS_CXXFLAGS) -pthread -Wall -g -O2 -DSSL_LIB_INIT -I$
 LDFLAGS := -L${ZROOT}/deps/root/lib -L${ZROOT}/root/lib
 LIBS := -lcrypto -lrelic -lrelic_ec -lopenabe
 
-all: test_kp test_cp test_pk test_km
+all: test_kp test_cp test_pk test_km test_1
+
+test_1: test_1.o
+        $(CXX) -o test_1 $(CXXFLAGS) $(LDFLAGS) test_1.cpp $(LIBS)
 
 test_kp: test_kp.o
-	$(CXX) -o test_kp $(CXXFLAGS) $(LDFLAGS) test_kp.cpp $(LIBS)
+        $(CXX) -o test_kp $(CXXFLAGS) $(LDFLAGS) test_kp.cpp $(LIBS)
 
 test_cp: test_cp.o
-	$(CXX) -o test_cp $(CXXFLAGS) $(LDFLAGS) test_cp.cpp $(LIBS)
+        $(CXX) -o test_cp $(CXXFLAGS) $(LDFLAGS) test_cp.cpp $(LIBS)
 
 test_pk: test_pk.o
-	$(CXX) -o test_pk $(CXXFLAGS) $(LDFLAGS) test_pk.cpp $(LIBS)
+        $(CXX) -o test_pk $(CXXFLAGS) $(LDFLAGS) test_pk.cpp $(LIBS)
 
 test_km: test_km.o
-	$(CXX) -o test_km $(CXXFLAGS) $(LDFLAGS) test_km.cpp $(LIBS)
+        $(CXX) -o test_km $(CXXFLAGS) $(LDFLAGS) test_km.cpp $(LIBS)
 
 test:
-	./test_kp
-	./test_cp
-	./test_pk
-	./test_km
+        ./test_kp
+        ./test_cp
+        ./test_pk
+        ./test_km
+        ./test_1
 
 clean:
-	rm -rf *.o *.dSYM test_kp test_cp test_pk test_km
+        rm -rf *.o *.dSYM test_kp test_cp test_pk test_km test_1
diff --git a/examples/test_1.cpp b/examples/test_1.cpp
new file mode 100644
index 00000000..a8ea49d9
--- /dev/null
+++ b/examples/test_1.cpp
@@ -0,0 +1,49 @@
+#include <iostream>
+#include <string>
+#include <cassert>
+#include <openabe/openabe.h>
+#include <openabe/zsymcrypto.h>
+
+using namespace std;
+using namespace oabe;
+using namespace oabe::crypto;
+
+int main(int argc, char **argv) {
+    InitializeOpenABE();
+    cout << "Testing CP-ABE context" << endl;
+
+    OpenABECryptoContext cpabe("CP-ABE");
+    int pid1TEMP=40 ;
+ //   double pid2TEMP=30 ;
+    int pid1GLUCUSE=100;
+  //  double paid2GLUCUSE=300;
+    int pid1HR=77;
+  //  double pid2HR=66;
+    string ct, pt1 = std::to_string(pid1TEMP &  pid1GLUCUSE & pid1HR);
+    string pt2;
+
+    cpabe.generateParams();
+
+    cpabe.keygen("|doctor|family", "key0");
+
+    cpabe.encrypt("doctor and family", pt1, ct);
+
+    bool result = cpabe.decrypt("key0", ct, pt2);
+
+    assert(result && pt1 == pt2);
+
+    cout << "Recovered message: " << pt2 << endl;
+
+    ShutdownOpenABE();
+    if(pid1TEMP  >37.5){
+        cout << "patined with id1 has a high temrature"<< endl;
+    }
+    if(pid1GLUCUSE  >200){
+        cout << "patined with id1 has a high galcuse level"<< endl;
+    }
+    if(pid1HR  >100 or pid1HR <60){
+        cout << "patined with id1 has a dangerus heart rate"<< endl;
+    }
+
+    return 0;
+}
diff --git a/src/zparser.yy b/src/zparser.yy
index bcde1330..f02da829 100644
--- a/src/zparser.yy
+++ b/src/zparser.yy
@@ -39,7 +39,7 @@
 %name-prefix "oabe"
 
 /* set the parser's class identifier */
-%define api.parser.class {Parser}
+%define parser_class_name {Parser}
 
 /* keep track of the current position within the input */
 %locations