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

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

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