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

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

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