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

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

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