
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]


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In the ancient Chinese mathematical masterpiece "Nine Chapters on the Mathematical Art," the concept of positive and negative numbers is described as "today, when two calculations result in opposite outcomes, they should be named as positive and negative." For example, if moving $30$ meters east is denoted as "$+30$ meters," then "$-50$ meters" represents ______.

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