*SUPPORT*
IN: fep OUT: GREEN
IN: fep lug dax OUT: GREEN YELLOW
IN: dax lug tufa OUT: YELLOW RED
IN: gazzer wif OUT: BLUE BLUE BLUE
IN: tufa lug fep OUT: RED GREEN
IN: gazzer lug tufa OUT: BLUE RED
IN: fep blicket fep OUT: GREEN GREEN GREEN GREEN GREEN
IN: gazzer gazzer blicket fep OUT: BLUE GREEN BLUE BLUE BLUE GREEN
IN: tufa lug tufa OUT: RED RED
IN: fep dax wif OUT: GREEN YELLOW YELLOW YELLOW
IN: dax OUT: YELLOW
IN: tufa blicket tufa OUT: RED RED RED RED RED
IN: dax wif OUT: YELLOW YELLOW YELLOW
IN: fep blicket dax OUT: YELLOW GREEN GREEN GREEN YELLOW

*QUERY*
IN: dax blicket fep OUT: GREEN YELLOW YELLOW YELLOW GREEN
IN: fep wif OUT: GREEN GREEN GREEN
IN: tufa dax lug gazzer OUT: RED YELLOW BLUE
IN: dax blicket dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer tufa blicket dax OUT: BLUE YELLOW RED RED RED YELLOW
IN: tufa tufa wif OUT: RED RED RED RED
IN: dax blicket tufa OUT: RED YELLOW YELLOW YELLOW RED
IN: tufa OUT: RED
IN: gazzer OUT: BLUE
IN: gazzer fep wif OUT: BLUE GREEN GREEN GREEN

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