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

[EX Q]: Sentence: 'a bunch of cloths are piled in the sink'. How many words contain the letter 'w' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a crowd of people flying kites near the capitol building'. How many words contain the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a man rides a bicycle across the river'. How many words contain the letter 'a' in the sentence.
[EX A]:
4