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

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

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