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

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

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