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

Ex Input:
Sentence: 'two men playing a video game inside of a room'. How many words contain the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a plastic container filled with pastry balls sitting on a counter'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'two people in a field with a frisbee near many trees'. How many words contain the letter 'v' in the sentence.

Ex Output:

0