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

[Q]: Sentence: 'people in different boats rowing around a lake'. How many words contain the letter 'b' in the sentence.
[A]: 1


[Q]: Sentence: 'a car stopped at a red light at an intersection'. How many words contain the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a man adjusting his neck tie while wearing a vest'. How many words contain the letter 'v' in the sentence.
[A]:
1