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

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

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