{"category": {"value": "Vect_k", "label": "Vect_k"}, "homs": {"value": "Ab", "label": "Ab"}}
{"category": {"value": "Vect_k", "label": "Vect_k"}, "homs": {"value": "Set*", "label": "Set*"}}
{"category": {"value": "Vect_k", "label": "Vect_k"}, "homs": {"value": "Vect_k", "label": "Vect_k"}}