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

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

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