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

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

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