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

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

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