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.

Ex Input:
Sentence: 'a tennis player at the us open walking off the court'. How many words end with the letter 's' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a toilet with a white piece of cloth in it'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a plate of food containing a sandwich and slices of apples'. How many words end with the letter 'h' in the sentence.

Ex Output:

1