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 man surfing a wave with both hands in the air'. How many words end with the letter 'a' in the sentence.
2

Sentence: 'a woman standing with a remote in her hand'. How many words end with the letter 'n' in the sentence.
2

Sentence: 'a train passing a crossing that has a stop sign'. How many words end with the letter 'n' in the sentence.

2