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

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

*GRAMMAR*
tufa -> PURPLE 
 fep -> YELLOW 
 zup -> BLUE 
 lug -> RED 
 x1 blicket u1 -> [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 x1 dax x2 -> [x2] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 