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

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

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