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

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

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