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

Sentence: 'a man with a long coat and a hat skating on the road'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'the tennis player returns a serve of the tennis ball'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'the giraffe is leaning down to eat the grass'. How many words contain the letter 'r' in the sentence.
2