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 on a boat with trays of seafood while he sits under a umbrella'. How many words end with the letter 'a' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a wine bottle and two glasses on a counter'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a yellow red and white gas pump with the number 5 on it'. How many words end with the letter 'p' in the sentence.

Ex Output:

1