
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 triangle $ABC$, let $a$, $b$, and $c$ represent the lengths of the sides opposite to angles $A$, $B$, and $C$ respectively. It is given that $b^2 + c^2 - a^2 = bc$.
(1) Find the value of angle $A$;
(2) If $a = \sqrt{3}$, and the perimeter of triangle $ABC$ is denoted as $y$, determine the range of possible values for $y$.

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