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

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

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