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

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

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