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 toothbrush that is laying on rocks and sand'. How many words end with the letter 'h' in the sentence.

A: 1
****
Q: Sentence: 'several jockeys ride their horses in a horse race'. How many words end with the letter 'r' in the sentence.

A: 1
****
Q: Sentence: 'a train passes through a train pick up station'. How many words end with the letter 'n' in the sentence.

A:
3
****