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

[EX Q]: Sentence: 'a couple of zebras are standing in a pin'. How many words contain the letter 'a' in the sentence.
[EX A]: 5

[EX 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.
[EX A]: 2

[EX Q]: Sentence: 'a table that has several plates of different foods on it'. How many words contain the letter 'y' in the sentence.
[EX A]:
0