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

Ex Input:
Sentence: 'an acoustic guitar is shown laying on a bed'. How many words contain the letter 'l' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a girl sitting on a bench holding a flower'. How many words contain the letter 'p' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a man and two women holding a basket with a hotdog'. How many words contain the letter 'c' in the sentence.

Ex Output:

0