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

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

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