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

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


[Q]: Sentence: 'an orange cat laying on top of a wooden table'. How many words contain the letter 'l' in the sentence.
[A]: 2


[Q]: Sentence: 'a bird flying above a person surfing in the ocean'. How many words contain the letter 'o' in the sentence.
[A]:
3