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

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

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