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

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

*GRAMMAR*
wif -> YELLOW 
 kiki -> PURPLE 
 zup -> BLUE 
 dax -> GREEN 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 fep u2 -> [u1] [u1] [u2] [u2] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 