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 person sitting at a table with a wine glass'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a public bus driving down a busy street'. How many words end with the letter 'g' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man that is sitting on the back of a motorcycle'. How many words end with the letter 'a' in the sentence.

Ex Output:

2