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

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

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