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

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

*GRAMMAR*
zup -> PURPLE 
 tufa -> RED 
 dax -> PINK 
 kiki -> BLUE 
 u1 fep -> [u1] [u1] 
 x1 wif x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 