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 in black with her feet in a suitcase'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


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


Ex Input:
Sentence: 'an double oven with a bright tile pattern on it'. How many words end with the letter 'n' in the sentence.

Ex Output:

4