
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 grocer has twelve weights, weighing 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 kilograms respectively. He splits them into three groups of four weights each. The total weights of the first and second groups are 41 kg and 26 kg respectively. Which of the following weights is in the same group as the 9 kg weight?
A) 3 kg
B) 5 kg
C) 7 kg
D) 8 kg
E) 10 kg

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