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

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

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