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

Ex Input:
Sentence: 'many different species of sheep in display at a museum'. How many words contain the letter 'p' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a man that is sitting at a table with a bowl'. How many words contain the letter 'k' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a pitcher at a baseball game in a throwing motion'. How many words contain the letter 'q' in the sentence.

Ex Output:

0