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

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

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