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 toddler is sitting on the ground leaning on a soccer ball'. How many words end with the letter 'a' in the sentence.
2

Sentence: 'a man is eating a number of sandwiches next to a bottle of water'. How many words end with the letter 'a' in the sentence.
3

Sentence: 'a person standing daintily on a surfboard in the ocean'. How many words end with the letter 'n' in the sentence.

4