{"category": {"value": "Ab", "label": "Ab"}, "construction": {"value": "coequalizer", "label": "coequalizer"}}
{"category": {"value": "Grp", "label": "Grp"}, "construction": {"value": "coequalizer", "label": "coequalizer"}}
{"category": {"value": "Set", "label": "Set"}, "construction": {"value": "coequalizer", "label": "coequalizer"}}
{"category": {"value": "Top", "label": "Top"}, "construction": {"value": "coequalizer", "label": "coequalizer"}}