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

[EX Q]: Sentence: 'a pair of people swimming out to sea on some surfboards'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'zebra eating from the ground near a tree'. How many words contain the letter 'k' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'an airplane flys through the dark and cloudy sky'. How many words contain the letter 'l' in the sentence.
[EX A]:
3