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

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

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