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: Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed. Sentence 2:  Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed.

SOLUTION: yes

PROBLEM: Sentence 1: On the previous day, the prisoner had purchased strychnine at the village chemist's shop, wearing a disguise by means of which he hoped to throw the onus of the crime upon another man ”to wit, Mrs. Inglethorp's husband, of whom he had been bitterly jealous.  Sentence 2: The prisoner purchased poison at the village's chemist shop.

SOLUTION: yes

PROBLEM: Sentence 1: This animal is remarkable for two  its short, overlapping snout that resembles the sawed-off trunk of an elephant, and its unique body coloring black up front, white in the middle and back, black rear legs. Sentence 2: The animal has a weird snout that can wiggle and move.

SOLUTION:
no