*SUPPORT*
IN: kiki dax kiki OUT: BLUE BLUE
IN: tufa gazzer lug OUT: GREEN YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer tufa lug OUT: YELLOW GREEN GREEN GREEN GREEN GREEN
IN: tufa fep zup OUT: PINK GREEN
IN: tufa dax gazzer OUT: GREEN YELLOW
IN: zup OUT: PINK
IN: kiki tufa fep kiki OUT: BLUE BLUE GREEN
IN: kiki OUT: BLUE
IN: tufa lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: gazzer gazzer lug OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa fep kiki OUT: BLUE GREEN
IN: tufa OUT: GREEN
IN: zup dax gazzer OUT: PINK YELLOW
IN: gazzer dax kiki OUT: YELLOW BLUE

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

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