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

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

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