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

[Q]: Sentence: 'people riding on an old style passenger train'. How many words contain the letter 'q' in the sentence.
[A]: 0


[Q]: Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.
[A]: 1


[Q]: Sentence: 'a man riding skis on top of a snow covered slope'. How many words contain the letter 'z' in the sentence.
[A]:
0