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

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

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