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

Input: Consider Input: Sentence: 'a man srufing the waves on a board in front of 3 tall pillars'. How many words contain the letter 'n' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a woman watching another woman cook a dish in a wok on an electric hotplate'. How many words contain the letter 'y' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a boy in a blue shirt holding a toy car and bananas'. How many words contain the letter 't' in the sentence.


Output: 2