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

Ex Input:
Sentence: 'a woman in the city is holding a bright kite'. How many words contain the letter 'v' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a man paddle boarding in the middle of the ocean'. How many words contain the letter 'i' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'giraffes grazing on the trees foliage in the wild'. How many words contain the letter 'x' in the sentence.

Ex Output:

0