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

[Q]: Sentence: 'an acoustic guitar is shown laying on a bed'. How many words contain the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a boy is doing a trick with his skateboard'. How many words contain the letter 'y' in the sentence.
[A]: 1


[Q]: Sentence: 'many people are watching and taking pictures with elephants'. How many words contain the letter 'x' in the sentence.
[A]:
0