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

[Q]: Sentence: 'a picture of bottles and cans in someones kitchen'. How many words contain the letter 'c' in the sentence.
[A]: 3

[Q]: Sentence: 'a big sign that is lit up near some buildings'. How many words contain the letter 'r' in the sentence.
[A]: 1

[Q]: Sentence: 'an airplane with propellers turning in an airport'. How many words contain the letter 's' in the sentence.
[A]:
1