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

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

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