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

[Q]: Sentence: 'a sign reading butt street on the corner of a building with a no parking sign below it'. How many words contain the letter 'h' in the sentence.
[A]: 2


[Q]: Sentence: 'a beautiful old clock tower in a citys historic district'. How many words contain the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a blue and white fire hydrant and two cars parked across the street'. How many words contain the letter 'y' in the sentence.
[A]:
1