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

[Q]: Sentence: 'a group of people holding kites walking on a beach'. How many words contain the letter 'x' in the sentence.
[A]: 0


[Q]: Sentence: 'a woman is smiling next to a dog'. How many words contain the letter 'j' in the sentence.
[A]: 0


[Q]: Sentence: 'a colorful train with cartoonish figures sits at a station'. How many words contain the letter 't' in the sentence.
[A]:
6