
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
Player A and player B are playing a number guessing game with the following rules: There are five cards with the numbers $1$, $2$, $3$, $4$, $5$ written on them. Player A and player B each randomly draw a card, then based on the number on their own card, they have to guess whose number is larger. Player A looks at the number on their card and says, "I don't know whose number is larger." After hearing A's statement, player B thinks for a moment and says, "I also don't know whose number is larger." Assuming that the reasoning of both player A and player B is correct, then the number in player B's hand is ____.

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