*SUPPORT*
IN: lug kiki lug OUT: PINK PINK
IN: zup kiki zup OUT: BLUE BLUE
IN: zup wif OUT: BLUE BLUE BLUE
IN: fep fep zup kiki lug OUT: GREEN GREEN BLUE PINK
IN: zup fep tufa OUT: BLUE GREEN BLUE GREEN
IN: fep tufa OUT: GREEN GREEN
IN: dax lug OUT: RED PINK
IN: dax kiki fep OUT: RED GREEN
IN: zup kiki fep OUT: BLUE GREEN
IN: lug fep kiki fep OUT: PINK GREEN GREEN
IN: lug wif OUT: PINK PINK PINK
IN: fep kiki lug OUT: GREEN PINK
IN: fep fep kiki dax OUT: GREEN GREEN RED
IN: dax OUT: RED

*QUERY*
IN: dax tufa OUT: RED RED
IN: fep wif OUT: GREEN GREEN GREEN
IN: dax dax dax wif OUT: RED RED RED RED RED
IN: lug kiki dax OUT: PINK RED
IN: dax kiki zup OUT: RED BLUE
IN: dax wif tufa OUT: RED RED RED RED RED RED
IN: dax dax tufa OUT: RED RED RED RED
IN: zup OUT: BLUE
IN: dax dax kiki dax tufa OUT: RED RED RED RED RED RED
IN: fep OUT: GREEN

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