
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
There are 9 people lost in the mountains, and the food they have is enough to last for 5 days. After one day, these 9 people meet another group of lost people who have no food. After calculations, if both groups eat together with the same amount of food per person per day, the food will last for only 3 more days. How many people are in the second group of lost people?

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