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

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

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