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

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

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