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

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

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