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

[Q]: Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.
[A]: 3


[Q]: Sentence: 'a kitchen that is very nice and clean'. How many words contain the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'a man drinking wine while giving a thumbs up'. How many words contain the letter 'o' in the sentence.
[A]:
0