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

[Q]: Sentence: 'a car stopped at a red light at an intersection'. How many words contain the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a man that is sitting at a table with a bowl'. How many words contain the letter 'k' in the sentence.
[A]: 0


[Q]: Sentence: 'a small white boat floating in a lake'. How many words contain the letter 'k' in the sentence.
[A]:
1