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

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

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