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

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: 'the laptop is disassembled with the parts piled on the outer shell'. How many words contain the letter 'v' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'a bus with a wildlife safari advertising paint job driving down the street'. How many words contain the letter 'p' in the sentence.

Ex Output:
1