solution: Since both the balls and boxes are indistinguishable, we can arrange them with 5 in one and 0 in the other, 4 in one and 1 in the other, or 3 in one and 2 in the other, for a total of $\boxed{3}$ different arrangements.
prompt.content: <|im_start|>system
  You are a helpful assistant.<|im_end|>
  <|im_start|>user
  How many ways are there to put 5 balls in 2 boxes if the balls are not distinguishable and neither are the boxes?
  Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
  <|im_start|>assistant
  
prompt.role: user
extra_info.answer: 3
extra_info.question: How many ways are there to put 5 balls in 2 boxes if the balls are not distinguishable and neither are the boxes?
extra_info.split: test