
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
Determine the number in the array below that is the largest in its column and the smallest in its row:
\[\begin{tabular}[t]{ccccc} 20 & 5 & 9 & 4 & 3 \\ 22 & 12 & 25 & 19 & 15 \\ 13 & 6 & 9 & 10 & 18 \\ 23 & 11 & 30 & 21 & 7 \\ 18 & 8 & 10 & 14 & 6 \end{tabular}\]
A) 7  
B) 12  
C) 18  
D) 23  
E) 30

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