*SUPPORT*
IN: lug dax OUT: RED RED
IN: gazzer tufa lug blicket zup OUT: YELLOW GREEN RED
IN: gazzer gazzer lug tufa zup blicket fep OUT: PURPLE GREEN GREEN RED YELLOW
IN: fep dax dax blicket gazzer OUT: GREEN PURPLE PURPLE PURPLE PURPLE
IN: lug blicket zup dax OUT: YELLOW RED YELLOW RED
IN: lug gazzer tufa zup blicket lug OUT: RED RED GREEN YELLOW
IN: gazzer OUT: GREEN
IN: zup tufa zup dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep tufa gazzer OUT: PURPLE GREEN
IN: gazzer tufa zup dax OUT: GREEN YELLOW GREEN YELLOW
IN: lug tufa fep blicket lug blicket gazzer OUT: GREEN RED RED PURPLE
IN: lug tufa zup OUT: RED YELLOW
IN: zup dax blicket lug OUT: RED YELLOW YELLOW
IN: gazzer tufa fep dax OUT: GREEN PURPLE GREEN PURPLE

*QUERY*
IN: gazzer tufa fep OUT: GREEN PURPLE
IN: lug tufa gazzer dax blicket fep OUT: PURPLE RED GREEN RED GREEN
IN: zup zup tufa zup dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup dax OUT: YELLOW YELLOW
IN: lug tufa zup blicket lug dax OUT: RED RED YELLOW RED RED YELLOW
IN: zup tufa zup blicket zup OUT: YELLOW YELLOW YELLOW
IN: lug OUT: RED
IN: fep OUT: PURPLE
IN: fep tufa fep OUT: PURPLE PURPLE
IN: lug tufa fep OUT: RED PURPLE

*GRAMMAR*
zup -> YELLOW 
 gazzer -> GREEN 
 fep -> PURPLE 
 lug -> RED 
 u1 tufa u2 -> [u1] [u2] 
 x1 blicket u1 -> [u1] [x1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 