
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
The function $f(x)=\sin (2x+\varphi)$, where $\varphi$ is a real number. If $f(x) \leqslant |f( \frac {\pi}{6})|$ holds for $(0,+\infty)$, and $f( \frac {\pi}{2}) > f(\pi)$, then the interval of monotonic increase for $f(x)$ is \_\_\_\_\_\_.

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