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

[Q]: Sentence: 'a young man in a bunch of waves on his board'. How many words contain the letter 'j' in the sentence.
[A]: 0


[Q]: Sentence: 'a fire hydrant on the side of the road near a building'. How many words contain the letter 'a' in the sentence.
[A]: 5


[Q]: Sentence: 'a man walking along a beach holding a surfboard'. How many words contain the letter 's' in the sentence.
[A]:
1