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

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

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