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

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

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