
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
A poplar tree, a willow tree, a locust tree, a birch tree, and a phoenix tree are planted in a row, with a distance of 1 meter between any two adjacent trees. The distance between the poplar tree and the willow tree is equal to the distance between the poplar tree and the locust tree. The distance between the birch tree and the poplar tree is equal to the distance between the birch tree and the locust tree. What is the distance between the phoenix tree and the birch tree? $\qquad$ meters.

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