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

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

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