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: 'black and white photograph with man in black tie and jacket'. How many words end with the letter 'k' in the sentence.
2

Sentence: 'a traffic light with a couple of green street signs mounted to its sides'. How many words end with the letter 's' in the sentence.
3

Sentence: 'a stop sign at an intersection with water in background'. How many words end with the letter 'n' in the sentence.

4