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

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

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