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 sits beside large bags of fruit in a market'. How many words contain the letter 't' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'black and white photograph of a man using a cell phone on the street'. How many words contain the letter 'r' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a full view of a bed room with a teddy bear'. How many words contain the letter 'u' in the sentence.


Output: 1