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

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

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