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

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

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