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

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

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