You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Sentence1: But authorities have been unable to stop the tragedies , which they blame on overcrowding , poor vessel construction and lax enforcement of safety rules ., Sentence2: But authorities have been unable to stop the tragedies , which they blame on overcrowding , rickety vessels and lax safety standards .
Yes