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

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

*GRAMMAR*
zup -> BLUE 
 lug -> PINK 
 dax -> RED 
 kiki -> GREEN 
 u1 fep -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x2] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 