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 young children are doing crafts at the dining room table'. How many words end with the letter 'g' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a group of boats docked in front of a warehouse'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'there are a few surfers riding this small wave'. How many words end with the letter 'w' in the sentence.

Ex Output:

1