In this task, you need to count the number of words in a sentence that contain the given letter

Input: Consider Input: Sentence: 'a woman is standing at a fruit stand'. How many words contain the letter 'y' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a sign reading butt street on the corner of a building with a no parking sign below it'. How many words contain the letter 'h' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a cell phone lying on a picture of a young man holding a similar cell phone'. How many words contain the letter 's' in the sentence.


Output: 1