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

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

*GRAMMAR*
wif -> RED 
 dax -> PURPLE 
 lug -> GREEN 
 kiki -> PINK 
 u1 zup -> [u1] [u1] [u1] 
 x1 fep -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] [x1] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 