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

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

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