In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

Ex Input:
Sentence 1: This campaign helps fill that gap in legal services for women who need the help at a time when they are in crisis. Sentence 2: This campaign makes no efforts to help women when they are in a crisis.

Ex Output:
yes

Ex Input:
Sentence 1: I will be back as soon as I can." Sentence 2: I will return as soon as possible.

Ex Output:
yes

Ex Input:
Sentence 1: Food riots broke out in Lombardy, revolts in Tuscany, and southern peasants demanded a share of common land. Sentence 2: The lack of food in Lombardy and Tuscany caused a famine that angered the populace.

Ex Output:
no