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

[Q]: Sentence: 'a bench is in the ocean water with a fishing pole'. How many words contain the letter 'm' in the sentence.
[A]: 0

[Q]: Sentence: 'a plate with a grilled sanwich next to a bowl of tomato soup'. How many words contain the letter 'a' in the sentence.
[A]: 6

[Q]: Sentence: 'a mostly green double decker bus parked next to some trees'. How many words contain the letter 'd' in the sentence.
[A]:
3