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

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

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