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

Ex Input:
Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'group of kids play frisbee golf in the middle of the woods'. How many words contain the letter 't' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a giraffe grazing in pen next to a tree trunk'. How many words contain the letter 'v' in the sentence.

Ex Output:

0