
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
Expand the x-coordinate of each point on the graph of the function $f(x)= \sqrt {2}\sin (2x- \frac {\pi}{4})$ by a factor of $4$, and then shift it left by $\frac {\pi}{3}$ to obtain the graph of the function $g(x)$. Then, find a decreasing interval for the function $g(x)$.

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