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

[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: 'a kitchen that is very nice and clean'. How many words contain the letter 't' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a bed with orange sheets and a computer desk'. How many words contain the letter 'u' in the sentence.
[EX A]:
1