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

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

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