*SUPPORT*
IN: kiki zup kiki OUT: BLUE BLUE
IN: kiki zup lug OUT: BLUE YELLOW
IN: gazzer zup gazzer OUT: GREEN GREEN
IN: gazzer zup kiki OUT: GREEN BLUE
IN: fep zup gazzer OUT: PURPLE GREEN
IN: lug OUT: YELLOW
IN: lug blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer zup lug OUT: GREEN YELLOW
IN: lug dax kiki blicket OUT: BLUE YELLOW BLUE YELLOW BLUE YELLOW BLUE YELLOW
IN: gazzer fep blicket OUT: GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE
IN: fep zup kiki OUT: PURPLE BLUE
IN: kiki OUT: BLUE
IN: lug zup lug dax gazzer OUT: GREEN YELLOW YELLOW
IN: lug gazzer zup kiki OUT: YELLOW GREEN BLUE

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

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