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

[EX Q]: Sentence: 'several men standing up in a large room holding wii controllers'. How many words contain the letter 'h' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man with a surfboard walking across a bridge towards the ocean'. How many words contain the letter 'w' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a person riding on top of a yellow boat'. How many words contain the letter 's' in the sentence.
[EX A]:
1