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

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

*GRAMMAR*
fep -> BLUE 
 zup -> GREEN 
 dax -> YELLOW 
 lug -> PURPLE 
 u1 gazzer u2 -> [u1] [u2] 
 x1 tufa -> [x1] [x1] [x1] 
 x1 blicket x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 