Possible Clues:

• Perhaps Vietnamese food at the back
• Japanese or Chinese
• Could be Chinese food mainly at the back
• *Chinese, say
• Possibly Japanese patch with stone covered by unflowering plant
• Passenger back from the Orient
• Food offered by a grim Chinese?
• E.g. Chinese food at back of vessel
• Possibly Chinese food at the back
• Cost of travelling at the back of the plane from Japan, say?