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

[EX Q]: Sentence: 'two children practicing for a ski race without poles'. How many words contain the letter 'e' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a very big nice looking kitchen that is well lit'. How many words contain the letter 'r' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a tan cat that is sitting by a laptop is watching it'. How many words contain the letter 'f' in the sentence.
[EX A]:
0