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

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

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