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

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

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