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

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: 'an image of a man with a tennis racket in hand'. How many words contain the letter 'u' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a giraffe sticking out its tongue towards two people outside its pen'. How many words contain the letter 'z' in the sentence.

Ex Output:

0