
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
In a dormitory, the total amount of mineral water is 18.9 liters. Six people finish drinking the water in four days. Later, with one more person, seven people finish drinking the same amount of water in two days. Determine the ratio of the water consumption of the additional person to the total number of people.

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