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

[Q]: Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'a woman sits on the ground in front of a baby holding a flying disc'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'a desktop computer is sitting on the computer desk'. How many words contain the letter 'o' in the sentence.
[A]:
4