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 group of people on skis on a snowy slope'. How many words contain the letter 'w' in the sentence.
[A]: 1


[Q]: Sentence: 'airport waiting room with large jet parked outside the window'. How many words contain the letter 'k' in the sentence.
[A]:
1