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

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

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