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: 30% is a decrease in concentration or deposition compared to current conditions (an improvement) Sentence 2: There has been a decrease compared to current conditions.

SOLUTION: yes

PROBLEM: Sentence 1: The fruit and leaves feed crabs whose waste products in turn feed fish, prawns, and mollusks. Sentence 2: Without the crabs' waste, fish, mollusks, and prawns wouldn't have as much food.

SOLUTION: no

PROBLEM: Sentence 1: Good luck to you both!" Drew found himself laughing as he followed Hamilcar to the rear of the building. Sentence 2: Drew followed Hamilcar beacuse he didn't know where to go.

SOLUTION:
no