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

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

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