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: 'the elderly person wearing a cap is smiling'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a black and white cat and a silver car'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a young lady wearing a short white dress while holding a nintendo wii game controller'. How many words end with the letter 'g' in the sentence.

Ex Output:

3