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

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

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