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

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

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