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

*QUERY*
IN: zup dax tufa OUT: BLUE BLUE BLUE YELLOW YELLOW BLUE
IN: fep fep OUT: GREEN GREEN
IN: tufa zup tufa OUT: YELLOW BLUE YELLOW
IN: tufa lug OUT: YELLOW RED
IN: fep tufa lug OUT: GREEN YELLOW RED
IN: zup zup OUT: BLUE BLUE
IN: zup tufa OUT: BLUE YELLOW
IN: lug zup OUT: RED BLUE
IN: tufa gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep fep gazzer OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN

*GRAMMAR*
zup -> BLUE 
 tufa -> YELLOW 
 lug -> RED 
 fep -> GREEN 
 x1 dax x2 -> [x1] [x1] [x1] [x2] [x2] [x1] 
 x1 kiki -> [x1] [x1] [x1] [x1] 
 x1 gazzer -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 