
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
On August 8, 2017, a 7.0-magnitude earthquake occurred in Jiuzhaigou County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan. Our city immediately dispatched a medical team composed of backbone doctors to the disaster area for earthquake relief. A certain hospital needs to randomly select 2 doctors from 4 backbone surgeons including Dr. Zhang to participate in the earthquake relief medical team. What is the probability of selecting Dr. Zhang?

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