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

[Q]: Sentence: 'a man holding a racquet hits a tennis ball'. How many words contain the letter 'v' in the sentence.
[A]: 0


[Q]: Sentence: 'a fire hydrant on a neighborhood street with trees and shrubs around it'. How many words contain the letter 'k' in the sentence.
[A]: 0


[Q]: Sentence: 'a woman driving a car with a dog in the back seat'. How many words contain the letter 'f' in the sentence.
[A]:
0