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

[Q]: Sentence: 'a water fountain sitting in the middle of a bathroom'. How many words contain the letter 'h' in the sentence.
[A]: 2


[Q]: Sentence: 'a boy is doing a trick with his skateboard'. How many words contain the letter 'y' in the sentence.
[A]: 1


[Q]: Sentence: 'a glass vase with clear glass marbles in it and purple flowers coming out of the vase'. How many words contain the letter 'd' in the sentence.
[A]:
1