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

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

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