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

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

*GRAMMAR*
wif -> RED 
 lug -> PINK 
 zup -> BLUE 
 kiki -> YELLOW 
 u1 dax x1 -> [u1] [x1] [u1] 
 x1 blicket x2 -> [x1] [x2] [x1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 