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

[EX Q]: Sentence: 'an elephant that is eating some leaves from a tree'. How many words contain the letter 'n' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a small terrier stands in the open suitcase ready to go'. How many words contain the letter 'l' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a guy is standing around with some sheep in the background'. How many words contain the letter 'l' in the sentence.
[EX A]:
0