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

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

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