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

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

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