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.

[EX Q]: Sentence: 'group of skiers posing for a picture with snow mountains behind them'. How many words end with the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'woman laying in bed on her person pad computer system'. How many words end with the letter 'r' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a kitchen that has a shower and toilet'. How many words end with the letter 's' in the sentence.
[EX A]:
1