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

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

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