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

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

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