*SUPPORT*
IN: lug lug tufa OUT: YELLOW YELLOW GREEN
IN: lug OUT: YELLOW
IN: dax tufa lug OUT: BLUE GREEN YELLOW
IN: fep gazzer dax OUT: BLUE BLUE PURPLE
IN: tufa gazzer tufa OUT: GREEN GREEN GREEN
IN: lug lug gazzer lug kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa gazzer fep OUT: PURPLE PURPLE GREEN
IN: dax kiki kiki OUT: BLUE BLUE BLUE BLUE
IN: tufa OUT: GREEN
IN: lug tufa wif fep OUT: YELLOW GREEN YELLOW GREEN YELLOW GREEN PURPLE
IN: fep OUT: PURPLE
IN: dax gazzer lug OUT: YELLOW YELLOW BLUE
IN: lug kiki kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: lug wif dax OUT: YELLOW YELLOW YELLOW BLUE

*QUERY*
IN: lug tufa OUT: YELLOW GREEN
IN: fep kiki OUT: PURPLE PURPLE
IN: lug gazzer lug OUT: YELLOW YELLOW YELLOW
IN: lug gazzer dax OUT: BLUE BLUE YELLOW
IN: dax gazzer fep OUT: PURPLE PURPLE BLUE
IN: fep fep gazzer fep OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug lug kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax tufa gazzer lug OUT: BLUE YELLOW YELLOW GREEN
IN: lug gazzer lug kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep gazzer tufa OUT: GREEN GREEN PURPLE

*GRAMMAR*
lug -> YELLOW 
 tufa -> GREEN 
 dax -> BLUE 
 fep -> PURPLE 
 u1 gazzer u2 -> [u2] [u2] [u1] 
 x1 wif x2 -> [x1] [x1] [x1] [x2] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 