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

[EX Q]: Sentence: 'a white sand beach with chairs umbrellas and people'. How many words contain the letter 't' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a fire hydrant on the side of the road near a building'. How many words contain the letter 'a' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a bed next to a suit case filled with clothes on a floor'. How many words contain the letter 'i' in the sentence.
[EX A]:
3