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

[Q]: Sentence: 'the zebra is showing his rear end to the camera'. How many words contain the letter 'r' in the sentence.
[A]: 3


[Q]: Sentence: 'a hotel room with a nice tv and sofa setup'. How many words contain the letter 'i' in the sentence.
[A]: 2


[Q]: Sentence: 'a couple of birds sitting on top of a tree stump'. How many words contain the letter 'l' in the sentence.
[A]:
1