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

[EX Q]: Sentence: 'a child on the sand and a boat and some water'. How many words contain the letter 's' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a young girl is brushing her teeth  in a bathroom'. How many words contain the letter 'f' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a woman working her small shared office cubicle'. How many words contain the letter 'g' in the sentence.
[EX A]:
1