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

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

*GRAMMAR*
zup -> RED 
 lug -> GREEN 
 blicket -> PINK 
 tufa -> BLUE 
 u1 dax u2 -> [u1] [u2] 
 u1 gazzer -> [u1] [u1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 