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 woman that is sitting in the sand holding a phone'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a long haired cat sitting on a colorful bed'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'two trains moving parallel down the railroad tracks'. How many words end with the letter 's' in the sentence.

Ex Output:

2