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

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

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