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

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

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