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S1:Who keeps all safety management documentation on board?S2:The captain.S1:Who approves or recognizes your documentation?S2:Classification society.S1:Which classification society?S2:LR.S1:Do you know which document on board concerns emergency?S2:Muster List, Emergency Procedure.S1:What will you do if you find out non-conformities?S2:Report it to the captain, and he will arrange for rectification. Q4:According to this conversation, what are the crew and the PSCO talking about?