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

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

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