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

[EX Q]: Sentence: 'an orange cat laying on top of a wooden table'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'this is a yellow train riding the rails'. How many words contain the letter 'n' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a hotdog is in a bun covered in cheese'. How many words contain the letter 'q' in the sentence.
[EX A]:
0