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

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

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