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 woman looks at a glass of wine'. How many words end with the letter 'f' in the sentence.
1

Sentence: 'a male tennis player serving the tennis ball'. How many words end with the letter 's' in the sentence.
2

Sentence: 'a small child brushing her teeth from a cup'. How many words end with the letter 'r' in the sentence.

1