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

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

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