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

Ex Input:
Sentence: 'a large dog curls up on the pillow on a bunk bed'. How many words contain the letter 't' in the sentence.

Ex Output:
1

Ex Input:
Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.

Ex Output:
1

Ex Input:
Sentence: 'two men and two women standing beside each other and posing for a photograph'. How many words contain the letter 'y' in the sentence.

Ex Output:
0