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

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

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