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

[Q]: Sentence: 'living room that has boxes packed for moving'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'a jet airliner carrying a small shuttle above it'. How many words contain the letter 'r' in the sentence.
[A]: 2


[Q]: Sentence: 'a woman is shown holding a remote control'. How many words contain the letter 'l' in the sentence.
[A]:
2