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

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

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