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

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

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