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

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

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