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

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

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