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

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


[Q]: Sentence: 'a couple is fast asleep at 3 in the morning'. How many words contain the letter 'y' in the sentence.
[A]: 0


[Q]: Sentence: 'four giraffes are standing in the tall plains grass'. How many words contain the letter 'a' in the sentence.
[A]:
6