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

[EX Q]: Sentence: 'little girl with her bunny beside her sitting on a bench'. How many words contain the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a large red sign on a metal pole'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a cat is sitting in a bathroom sink and is looking at itself in a mirror'. How many words contain the letter 'y' in the sentence.
[EX A]:
0