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: '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: 'the elderly person wearing a cap is smiling'. How many words end with the letter 's' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'man and woman hugging in front of a sink'. How many words end with the letter 'f' in the sentence.
[EX A]:
1