In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.

[Q]: Sentence: 'a hand is holding a pack of japanese donuts'. How many words end with the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a cactus in a pot next to a black fence'. How many words end with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'two trains pass over the tracks over a river'. How many words end with the letter 'o' in the sentence.
[A]:
1