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

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

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