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

[EX Q]: Sentence: 'the black bears are together on the rocks eating outside'. How many words contain the letter 'y' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a white cat sitting on a couch in a den'. How many words contain the letter 'l' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'two men standing next to each other holding wii game controllers'. How many words contain the letter 'g' in the sentence.
[EX A]:
3