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

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

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