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

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

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