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

[Q]: Sentence: 'ther e is a commuter train that is coming on the tracks'. How many words contain the letter 'r' in the sentence.
[A]: 4


[Q]: Sentence: 'a woman poses with a large teddy bear'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'a bunch of banans sitting in a box next to some vegetables'. How many words contain the letter 'h' in the sentence.
[A]:
1