Input
Output

The number of brothers Anna has is twice the number of sisters Anna has.


The number of sisters Anna has is twice the number of brothers Anna has.


Does Anna have any siblings?


A classic lateral thinking puzzle!

Let's analyze the statements:

  1. The number of brothers Anna has is twice the number of sisters Anna has.
  2. The number of sisters Anna has is twice the number of brothers Anna has.

At first glance, these statements seem to contradict each other. However, if we think carefully, we can see that they are actually consistent with each other... if Anna has no siblings!

That's right, if Anna has no brothers, then the number of brothers she has is twice the number of sisters she has (0 = 2 × 0). And if she has no sisters, then the number of sisters she has is twice the number of brothers she has (0 = 2 × 0).

So, the answer is: Anna has no siblings.


Evaluation

Evaluation ID
72d3da95-c4e9-4296-b86e-baed20207d5f
Created
April 30, 2024

Evaluation Rating

Binary Pass/Fail
Pass
Factual Consistency
C: the submitted answer contains all the same details as the expert answer
Raw Output
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Raw Rating Output
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