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

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

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