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

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

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