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

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

Ex Output:
0


Ex Input:
Sentence: 'a apple that is sitting on top of a knife'. How many words contain the letter 'u' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'zebras are coming out of the brush into a field'. How many words contain the letter 'e' in the sentence.

Ex Output:

4