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

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

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