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

[EX Q]: Sentence: 'the jet is flying through the sky during the day'. How many words contain the letter 'i' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a man in a blue shirt and ear piece holds a clip board'. How many words contain the letter 'u' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a dog laying on top of a bed next to pillows'. How many words contain the letter 'l' in the sentence.
[EX A]:
2