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: On your return to the center of East Jerusalem from Mount Scopus, you will pass the British War Cemetery, a resting place for soldiers who fell fighting for Jerusalem in 1917 and another reminder of the city's turbulent history. Sentence 2: It takes 45 minutes to travel from Mount Scopus to East Jerusalem by foot. 

SOLUTION: no

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: He's calling all hands on deck. Sentence 2: He could do it all by himself.

SOLUTION:
yes