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

Ex Input:
Sentence: 'a white cat sitting on a couch in a den'. How many words contain the letter 'l' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'a woman swinging a tennis racquet in the air'. How many words contain the letter 'z' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'a man runs across the park in complete bliss'. How many words contain the letter 'q' in the sentence.

Ex Output:
0