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

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

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