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

Input: Consider Input: Sentence: 'a panthers football player holding a baseball bat and basketball'. How many words contain the letter 'y' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a jet airliner carrying a small shuttle above it'. How many words contain the letter 'r' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'there is some fruit and salad on a plate'. How many words contain the letter 'w' in the sentence.


Output: 0