diff --git a/parser.rb b/parser.rb
index adaad3e..30b0aa3 100644
--- a/parser.rb
+++ b/parser.rb
@@ -1,3 +1,4 @@
 def word_in_string?(word, string)
-  # implement with your code here
+  words = string.split(/[\s_-]/)
+  words.any?{|w| word == w} ? :yes : :no
 end