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

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

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