
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
A trapezoid is segmented into two triangles and a pentagon by drawing lines from one vertex to two non-adjacent vertices. The areas of the two triangles are 8 and 18. The ratio of the bases of the triangles is 2:1. What is the area of the remaining pentagon if the total area of the trapezoid is 40?
(Ꭺ) 12 
(ᎪᏴ) 14 
(ᎪᏟ) 15 
(Ꭰ) 16 
(Ꭼ) 17

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