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

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

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