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

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

*GRAMMAR*
fep -> RED 
 zup -> PINK 
 lug -> GREEN 
 dax -> YELLOW 
 u1 gazzer -> [u1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 