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 modern looking bathroom has a toilet and a sink'. How many words contain the letter 'o' in the sentence.
[A]: 4


[Q]: Sentence: 'a farm picture with an old cabinet and a horse with its head down'. How many words contain the letter 'm' in the sentence.
[A]:
1