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

[EX Q]: Sentence: 'a cat that is laying down with a mouse on top of it'. How many words contain the letter 'm' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a stuffed animal yellow giraffe placed next to a sandwich as if the giraffe is eating it with a large body of water and grass areas in the background'. How many words contain the letter 'g' in the sentence.
[EX A]: 6

[EX Q]: Sentence: 'a tennis player with a racket on a court'. How many words contain the letter 'n' in the sentence.
[EX A]:
2