*SUPPORT*
IN: lug lug OUT: BLUE BLUE
IN: fep gazzer dax OUT: GREEN YELLOW
IN: lug tufa tufa tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug OUT: BLUE
IN: dax gazzer fep OUT: YELLOW GREEN
IN: zup zup wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug gazzer zup tufa OUT: PURPLE BLUE PURPLE BLUE
IN: fep tufa OUT: YELLOW YELLOW
IN: zup fep OUT: PURPLE YELLOW
IN: zup tufa OUT: PURPLE PURPLE
IN: lug gazzer lug OUT: BLUE BLUE
IN: dax lug dax OUT: GREEN BLUE GREEN

*QUERY*
IN: fep gazzer dax tufa OUT: GREEN YELLOW GREEN YELLOW
IN: fep gazzer fep tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax lug wif OUT: GREEN BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax gazzer dax OUT: GREEN GREEN
IN: dax gazzer zup OUT: PURPLE GREEN
IN: lug wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax tufa OUT: GREEN GREEN
IN: fep OUT: YELLOW
IN: lug gazzer zup OUT: PURPLE BLUE
IN: zup OUT: PURPLE

*GRAMMAR*
zup -> PURPLE 
 lug -> BLUE 
 fep -> YELLOW 
 dax -> GREEN 
 x1 tufa -> [x1] [x1] 
 u1 wif -> [u1] [u1] [u1] [u1] [u1] [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 