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

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

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