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

[EX Q]: Sentence: 'an image of a man with a tennis racket in hand'. How many words contain the letter 'u' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'individuals are up and doing something fun today'. How many words contain the letter 'p' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man who is hosing down an elephant'. How many words contain the letter 's' in the sentence.
[EX A]:
2