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

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

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