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

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

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