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

[Q]: Sentence: 'a keyboard on a table with a toothbrush a book some sunglasses and coffee'. How many words contain the letter 'e' in the sentence.
[A]: 5


[Q]: Sentence: 'a mirror above a bathroom sink next to a window'. How many words contain the letter 'v' in the sentence.
[A]: 1


[Q]: Sentence: 'a young boy and an adult preparing to fly a kite'. How many words contain the letter 'i' in the sentence.
[A]:
2