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

[EX Q]: Sentence: 'a couple of lambs that are in the dirt'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'an asian man ad woman on their cell phones'. How many words contain the letter 'i' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a black and white zebra stands out in the green background'. How many words contain the letter 't' in the sentence.
[EX A]:
4