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 teddy bear holding a pillow in his hands'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'nintendo wii does adequately move these two game players'. How many words end with the letter 's' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a large clock tower is against the blue sky'. How many words end with the letter 'e' in the sentence.

Ex Output:

3