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

[EX Q]: Sentence: 'a bird is standing on the edge of a book'. How many words contain the letter 'o' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a stop light that is out on a pole'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a cat looking up while underneath a yellow umbrella'. How many words contain the letter 'o' in the sentence.
[EX A]:
2