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: 'a dog running behind three sheep in an open field'. How many words end with the letter 'n' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'an automobile is riding in a train car'. How many words end with the letter 'e' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man and a woman on a train using computers'. How many words end with the letter 'n' in the sentence.
[EX A]:
4