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

[EX Q]: Sentence: 'a large field is next to a river'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a young man standing in front of a laptop computer'. How many words contain the letter 'y' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a bird and giraffe standing in the middle of the forest'. How many words contain the letter 'k' in the sentence.
[EX A]:
0