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: 'the man is drinking from a wine glass'. How many words end with the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a man attempting to instruct a small child to use a mechanical toothbrush'. How many words end with the letter 'o' in the sentence.
[A]: 2


[Q]: Sentence: 'a small girl holding a racquet  walking across a tennis court'. How many words end with the letter 'a' in the sentence.
[A]:
3