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

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

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