
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 a bag, there are balls of the same shape and size, including 1 white ball, 2 red balls, and 1 yellow ball. Now, if we randomly draw 2 balls from the bag, calculate:  
(1) The probability that both balls are red;  
(2) The probability that at least one ball is red.

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