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

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

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