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

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

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