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

Ex Input:
Sentence: 'an over head view of people walking in a cramped area'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a skier skiing on the mountain with trees behind him'. How many words contain the letter 'z' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'person sitting at a table at a gourmet restraunt'. How many words contain the letter 'f' in the sentence.

Ex Output:

0