
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 seven animals living on Bear Ridge: Big Bear, Little Bear, Gigi, Momo, Bouncy, Radish Head, and Tootoo. To better protect the forest, they need to elect two animals as group leaders. What is the probability that at least one among Big Bear and Little Bear is chosen as a group leader?

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