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

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

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