diff --git a/lib/Classifier.js b/lib/Classifier.js
index 2782352..938ac31 100644
--- a/lib/Classifier.js
+++ b/lib/Classifier.js
@@ -75,7 +75,9 @@ class Classifier {
                 max = current.value;
             }
         });
-
+        if(max < 0.9){
+            result = "noMatch";
+        }
         return result;
     }
 
diff --git a/lib/index.js b/lib/index.js
index 1653eae..e069ac8 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -26,8 +26,14 @@ class NaturalSynaptic extends ClassifierBase {
         data.features = this.features;
 
         var payload = JSON.stringify(data);
-
-        fs.writeFile(filename, payload, callback);
+        if(!filename){
+            return payload;
+        }
+        else{
+            fs.writeFile(filename, payload, callback);
+            return payload;
+        }
+        
     };
 }