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

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

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