instruction:
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.
question:
Sentence: 'a group of people are standing outside while one holds an open umbrella'. How many words end with the letter 'n' in the sentence.
answer:
2


question:
Sentence: 'several jockeys ride their horses in a horse race'. How many words end with the letter 'r' in the sentence.
answer:
1


question:
Sentence: 'plates filled with cake are covering a table'. How many words end with the letter 's' in the sentence.
answer:

1