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

*QUERY*
IN: fep wif kiki fep zup OUT: BLUE RED YELLOW BLUE BLUE RED YELLOW BLUE
IN: gazzer dax gazzer OUT: PINK PINK
IN: kiki zup zup zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer zup lug kiki OUT: YELLOW PINK PINK
IN: wif gazzer OUT: RED PINK
IN: fep OUT: BLUE
IN: kiki zup zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer OUT: PINK
IN: wif dax gazzer fep zup OUT: PINK BLUE RED PINK BLUE RED
IN: kiki OUT: YELLOW

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