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

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

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