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

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

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