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

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

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