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

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

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