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

[Q]: Sentence: 'a toilet and long handled plunger in a cleaned bathroom'. How many words contain the letter 'i' in the sentence.
[A]: 2


[Q]: Sentence: 'a dog lying down with a blanket on top of it'. How many words contain the letter 'o' in the sentence.
[A]: 5


[Q]: Sentence: 'a kite with a pirate symbol is hanging from a pole on a beach'. How many words contain the letter 'x' in the sentence.
[A]:
0