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: 'a large number of black cattle in a green grassy pasture'. How many words end with the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a giraffe stands in front of a big tree'. How many words end with the letter 'e' in the sentence.
Example Output: 2

Example Input: Sentence: 'green bananas and a grapefruit are sitting in front of flowers'. How many words end with the letter 'f' in the sentence.
Example Output:
1