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

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

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