The conversation between human and AI assistant.
If 1-4+3=1, 4-2+6=5 and 5-6+7=2, then what's the solution to 3-1+2=_____?
If 1-4+3=1, 4-2+6=5 and 5-6+7=2, then what's the solution to 3-1+2=_____?
Let me think for a moment. The answer is 4.