
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
Given a bag contains four balls that are identical in shape and size, with each ball labeled with a number 1, 2, 3, or 4, calculate the probability that the sum of the numbers on two balls drawn randomly from the bag is less than or equal to 4.

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