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

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

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