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

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

*GRAMMAR*
fep -> PINK 
 wif -> RED 
 lug -> BLUE 
 zup -> GREEN 
 u1 kiki u2 -> [u1] [u2] [u1] 
 x1 gazzer x2 -> [x2] [x1] [x1] [x2] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 