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

Input: Consider Input: Sentence: 'a blue and white fire hydrant and two cars parked across the street'. How many words contain the letter 'y' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a pizza with sauce cheese and sausage sitting on a table'. How many words contain the letter 's' in the sentence.

Output: 4


Input: Consider Input: Sentence: '3 female surfers with their boards at the beach'. How many words contain the letter 'c' in the sentence.


Output: 1