TASK DEFINITION: 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.
PROBLEM: Sentence 1: They carried crude pikes and knives in their belts. Sentence 2: The knives and pikes were carried in their belts. 

SOLUTION: yes

PROBLEM: Sentence 1: In an attempt to counter a threat from the Saracen Muslims, a new potent religious force from the East, the Byzantine army forcefully enlisted the men of the islands. Sentence 2: The Saracen Muslims would have easily taken over Byzantium if not for the draft.

SOLUTION: no

PROBLEM: Sentence 1: The ceiling of the tunnel rose two heads taller than Jon, arched near the top. Sentence 2: The ceiling of the tunnel is twice as tall as Jon.

SOLUTION:
yes