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

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

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