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

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

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