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

Input: Consider Input: Sentence: 'a stop sign with some words beneath it'. How many words contain the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'an acoustic guitar is shown laying on a bed'. How many words contain the letter 'l' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a black and a white horse in a field'. How many words contain the letter 'p' in the sentence.


Output: 0