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

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

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