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

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

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