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

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

*GRAMMAR*
tufa -> PINK 
 dax -> GREEN 
 kiki -> BLUE 
 zup -> PURPLE 
 u1 blicket -> [u1] [u1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 