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

Input: Consider Input: Sentence: 'a laptop a table a mouse some dirt and water'. How many words contain the letter 'u' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'a road cut off by police barricade tape'. How many words contain the letter 'x' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'a man taking a picture of a mirror in a bathroom'. How many words contain the letter 'l' in the sentence.
Output: 0