
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
After the announcement of the Sichuan Province's college entrance examination scores in 2023, Shishi High School continued its glory. The scores of 12 students in a base class are (unit: points): 673, 673, 677, 679, 682, 682, 684, 685, 687, 691, 697, 705. The upper quartile of the scores of these 12 students is ______.

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