*SUPPORT*
IN: fep kiki dax OUT: PURPLE RED
IN: fep fep kiki zup OUT: PURPLE PURPLE GREEN
IN: dax lug OUT: RED RED RED
IN: fep kiki zup OUT: PURPLE GREEN
IN: fep dax kiki zup OUT: PURPLE RED GREEN
IN: blicket kiki dax tufa fep OUT: BLUE RED PURPLE PURPLE
IN: blicket kiki dax tufa zup tufa zup OUT: BLUE RED GREEN GREEN GREEN GREEN
IN: zup kiki fep OUT: GREEN PURPLE
IN: blicket fep kiki fep tufa blicket OUT: BLUE PURPLE PURPLE BLUE BLUE
IN: blicket OUT: BLUE
IN: dax dax kiki zup tufa blicket OUT: RED RED GREEN BLUE BLUE
IN: blicket kiki dax tufa blicket OUT: BLUE RED BLUE BLUE
IN: dax tufa dax OUT: RED RED RED
IN: fep lug OUT: PURPLE PURPLE PURPLE

*QUERY*
IN: dax OUT: RED
IN: zup kiki dax OUT: GREEN RED
IN: fep blicket lug tufa fep OUT: PURPLE BLUE BLUE BLUE PURPLE PURPLE
IN: fep OUT: PURPLE
IN: blicket lug OUT: BLUE BLUE BLUE
IN: fep tufa blicket OUT: PURPLE BLUE BLUE
IN: dax blicket fep lug tufa zup OUT: RED BLUE PURPLE PURPLE PURPLE GREEN GREEN
IN: zup lug OUT: GREEN GREEN GREEN
IN: zup OUT: GREEN
IN: blicket kiki dax OUT: BLUE RED

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