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

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

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