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

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

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