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

Input: Consider Input: Sentence: 'the corner of a bathroom with washrags and cleaning supplies'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a large pizza smothered in cheese and sauce'. How many words contain the letter 'a' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'an open cell phone with an extra battery near it'. How many words contain the letter 'd' in the sentence.


Output: 0