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

Ex Input:
Sentence: 'the boy is in batting stance to waiting'. How many words contain the letter 'h' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a woman on crosscountry skiing through a wooded trail'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'large white building with a red roof facing a city road'. How many words contain the letter 'p' in the sentence.

Ex Output:

0