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

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

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