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

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

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