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

Input: Consider Input: Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a smiling man holds out a card with color swatches'. How many words contain the letter 'i' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'this is an image with two pizzas at a table'. How many words contain the letter 'r' in the sentence.


Output: 0