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

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

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