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

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

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