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

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

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