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 close up of a blue and yellow train at a platform'. How many words end with the letter 'd' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'red train on tracks near tall trees at station'. How many words end with the letter 's' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a woman oversees young students in a classroom working on laptops at their desks'. How many words end with the letter 't' in the sentence.

Ex Output:

1