TASK DEFINITION: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
PROBLEM: Sentence1: " Accusations of improper activity are as false today as they were when the Democrats first made them , " Grella said ., Sentence2: Accusations of improper activity are as false today as when the Democrats first made them . "

SOLUTION: Yes

PROBLEM: Sentence1: SEA 05D is the Naval Sea Systems Command ’ s technical authority for surface ship design and engineering ., Sentence2: The Future Concepts and Surface Ship Design Group is the Naval Sea Systems Command ’ s technical authority for all surface ship design and engineering .

SOLUTION: Yes

PROBLEM: Sentence1: British-born astronaut Michael Foale is about to fly into space to take up his post as commander of the International Space Station ., Sentence2: British-born astronaut Michael Foale is on his way to take command of the international space station .

SOLUTION:
Yes