
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 $\triangle PQR$, $\angle P=60^\circ$, $\angle R=80^\circ$, $S$ is on side $\overline{PQ}$ and $T$ is on side $\overline{QR}$. If $PS=ST$, determine $\angle{PTS}$.
A) $60^\circ$
B) $65^\circ$
C) $70^\circ$
D) $75^\circ$
E) $80^\circ$

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