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

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

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