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

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

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