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.

Sentence: 'a tennis player at the us open walking off the court'. How many words end with the letter 's' in the sentence.
2

Sentence: 'a city street clock standing in front of a white building'. How many words end with the letter 'f' in the sentence.
1

Sentence: 'a mouse is pictured next to a computer keyboard'. How many words end with the letter 'o' in the sentence.

1

