{"knowledge_schema": {"broad_category": "Chemistry \u2192 Chemical Compounds \u2192 Interactions and Properties", "refinement": "This discussion focuses on the behavior of chemical compounds during experiments, particularly in relation to their physical and chemical properties.", "specific_scope": "The issue of 'overlapping' compounds likely pertains to their interactions in a mixture or during separation processes, such as chromatography.", "goal": "Identify the reason for the overlapping of compounds based on their properties, particularly polarity."}, "summary": "In this scenario, the second chemist is likely referring to the issue of overlapping compounds in their experiment, which suggests that the compounds have similar polarities. This can lead to difficulties in separating or analyzing the compounds effectively, as they may not behave distinctly in a mixture or during separation techniques."}