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

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

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