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

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

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