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 teddy bear is sitting on a wooden chair'. How many words end with the letter 'a' in the sentence.
2

Sentence: 'woman holding a hot dog up to her face in front of trees'. How many words end with the letter 's' in the sentence.
1

Sentence: 'a helicopter flying over a lush green island'. How many words end with the letter 'r' in the sentence.

2