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

[Q]: Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'five kids playing with frisbees on a sunny day'. How many words contain the letter 'p' in the sentence.
[A]: 1


[Q]: Sentence: 'a metro liner with bicycles on the front going down the street'. How many words contain the letter 'd' in the sentence.
[A]:
1