What is the instruction?
Close the door, please.
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blackboard
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whiteboard
What is the instruction?
Point to the window, please.
What is the instruction?
Look at the whiteboard, please.
What is the instruction?
Stand up, please.
What is the instruction?
Sit down, please.
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window
What is the instruction?
Look at the door, please.
What is the instruction?
Close the windows, please.
What is the instruction?
Open your books, please.
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chair