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

[Q]: Sentence: 'a dog jumping up and catching a frisbee in its mouth'. How many words contain the letter 'r' in the sentence.
[A]: 1


[Q]: Sentence: 'a young man wearing a red tie sitting next to a cat'. How many words contain the letter 'h' in the sentence.
[A]: 0


[Q]: Sentence: 'the wind is perfect for a day on the ocean'. How many words contain the letter 'm' in the sentence.
[A]:
0