diff --git a/index.html b/index.html
index 0507031..2c9e93b 100644
--- a/index.html
+++ b/index.html
@@ -14,14 +14,29 @@
             let dogsAgeAsNumber = parseInt(dogsAge);
 
             function getHumanAge (dogsAge) {
-                return parseInt(dogsAge) * 7;
+                let result = parseInt(dogsAge) * 7;
+
+                // if the dogsAge was 0 then the result is also 0
+                //then we want to return 'A puppy less than 1'
+                // condition / predicate
+                // other ways to check conditions: < > <= >= ==  === != !==
+                if (result == 0) {
+
+                    // code here runs when condition about is met
+                    result = 'A puppy less than 1 year';
+
+                }
+
+                return result;
+
             }
 
             let humanAge1 = getHumanAge(dogsAge);
             let humanAge2 = getHumanAge(23);
             let humanAge3 = getHumanAge(12);
+            let humanAge4 = getHumanAge(0);
 
-            console.log({humanAge1, humanAge2, humanAge3});             
+            console.log({humanAge1, humanAge2, humanAge3, humanAge4});             
 
         </script>