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

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

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