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

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

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