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

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

*GRAMMAR*
fep -> BLUE 
 kiki -> YELLOW 
 zup -> PURPLE 
 lug -> RED 
 x1 blicket -> [x1] [x1] 
 x1 gazzer -> [x1] [x1] [x1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 