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

[EX Q]: Sentence: 'a horse that has a car behind it in the street'. How many words contain the letter 'j' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a plate with a grilled sanwich next to a bowl of tomato soup'. How many words contain the letter 'a' in the sentence.
[EX A]: 6

[EX Q]: Sentence: 'a twotiered bus on the side of a street'. How many words contain the letter 'f' in the sentence.
[EX A]:
1