
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
The smaller square has an area of 16 and the grey triangle has an area of 1. What is the area of the larger square?  
A) 17  
B) 18  
C) 19  
D) 20  
E) 21

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