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

Ex Input:
Sentence: 'a clean kitchen with several cabinets a sink a coffee maker and a vase of flowers'. How many words contain the letter 'p' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a man driving with his dog in the back seat'. How many words contain the letter 't' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a tennis player with a racket on a court'. How many words contain the letter 'h' in the sentence.

Ex Output:

1