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

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

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