TASK DEFINITION: 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.
PROBLEM: Sentence: 'a man in a snow suit skiing down a powdery mountain'. How many words end with the letter 'n' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a group of people riding a wave on top of  surfboards'. How many words end with the letter 'f' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'clock face on a metal embellished grated surface'. How many words end with the letter 'd' in the sentence.

SOLUTION:
2