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

[Q]: Sentence: 'a clock tower next to a building in a city'. How many words contain the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'an acoustic guitar is shown laying on a bed'. How many words contain the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a man playing a game of tennis at the court'. How many words contain the letter 'g' in the sentence.
[A]:
2