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 group of young boys wearing baseball uniforms holding up a trophy'. How many words end with the letter 'a' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'people waiting for the arrival of their luggage in an airport'. How many words end with the letter 'l' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'an elderly lady with a red umbrella carrying boxes and bags on a cart'. How many words end with the letter 'a' in the sentence.
[EX A]:
3