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

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

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