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

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

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