You are an agent playing a TextWorld kitchen task.
Please read the context and your previous actions with environment feedback carefully. Each previous action is separated by [SEP].
Pick EXACTLY ONE next action from the admissible command list.
Return only the chosen action string as \boxed{<action>} with no extra words.

Task: put two pen in shelf.
Context: -= Welcome to TextWorld, ALFRED! =- You are in the middle of a room. Looking quickly around you, you see a bed 1, a desk 2, a desk 1, a garbagecan 1, a shelf 5, a shelf 4, a shelf 3, a shelf 2, and a shelf 1.  [SEP] You arrive at desk 1. On the desk 1, you see a book 1, a pen 1, a pencil 2, and a pencil 1. [SEP] go to desk 1 [SEP] You pick up the pen 1 from the desk 1. [SEP] take pen 1 from desk 1 [SEP] You arrive at desk 2. On the desk 2, you see a alarmclock 2, a cd 2, a creditcard 3, a creditcard 2, a laptop 1, and a pen 2. [SEP] go to desk 2 [SEP] On the desk 2, you see a alarmclock 2, a cd 2, a creditcard 3, a creditcard 2, a laptop 1, and a pen 2. [SEP] examine desk 2 [SEP] You are facing the desk 2. Next to it, you see nothing. [SEP] look

Admissible commands:
- examine desk 2
- examine pen 1
- go to bed 1
- go to desk 1
- go to garbagecan 1
- go to shelf 1
- go to shelf 2
- go to shelf 3
- go to shelf 4
- go to shelf 5
- help
- inventory
- look
- move pen 1 to desk 2

Chosen action: \boxed{...}

Please reasoning step by step, and put your final action in \boxed{}.
user