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

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

*GRAMMAR*
gazzer -> GREEN 
 fep -> RED 
 dax -> PURPLE 
 tufa -> BLUE 
 x1 blicket u1 -> [x1] [x1] [u1] 
 x1 wif x2 -> [x1] [x2] [x2] 
 x1 zup u1 -> [x1] [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 