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.

Example Input: Sentence: 'the elderly person wearing a cap is smiling'. How many words end with the letter 's' in the sentence.
Example Output: 1

Example Input: Sentence: 'a black bear eating a carrot on top of rocks'. How many words end with the letter 'r' in the sentence.
Example Output: 1

Example Input: Sentence: 'two people looking at a blooming cherry blossom tree'. How many words end with the letter 't' in the sentence.
Example Output:
1