
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Jenny decided to enter numbers into the cells of a 3 by 3 table so that the sum of the numbers in all four possible 2 by 2 cells will be the same. The numbers in three of the corner cells have already been written, as shown.
Which number should she write in the fourth corner cell?
A 0
B 1
C 4
D 5
E 6

Present the answer in LaTex format: \boxed{Your answer}
user