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.

Sentence: 'a red and yellow bus next to some bikes'. How many words end with the letter 's' in the sentence.
2

Sentence: 'a man loading a truck with two pieces of luggage'. How many words end with the letter 'a' in the sentence.
2

Sentence: 'woman laying in bed on her person pad computer system'. How many words end with the letter 'r' in the sentence.

2