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

[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 kitchen in a camp with gear and coats laid out'. How many words contain the letter 'i' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'an electric parking sign on the side of the road'. How many words contain the letter 'z' in the sentence.
[EX A]:
0