*SUPPORT*
IN: fep tufa OUT: BLUE BLUE
IN: gazzer tufa kiki wif OUT: RED RED RED RED RED RED RED RED
IN: lug tufa OUT: PURPLE PURPLE
IN: dax tufa kiki wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug wif wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer dax wif OUT: RED GREEN RED GREEN
IN: lug OUT: PURPLE
IN: gazzer OUT: RED
IN: dax kiki wif wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep tufa kiki OUT: BLUE BLUE BLUE BLUE
IN: dax wif OUT: GREEN GREEN
IN: lug tufa wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep wif OUT: BLUE BLUE
IN: lug gazzer tufa OUT: PURPLE RED RED

*QUERY*
IN: dax tufa kiki OUT: GREEN GREEN GREEN GREEN
IN: dax tufa OUT: GREEN GREEN
IN: fep tufa wif OUT: BLUE BLUE BLUE BLUE
IN: gazzer fep kiki kiki OUT: RED BLUE RED BLUE RED BLUE RED BLUE
IN: gazzer wif OUT: RED RED
IN: dax dax OUT: GREEN GREEN
IN: lug lug tufa OUT: PURPLE PURPLE PURPLE
IN: fep dax fep wif OUT: BLUE GREEN BLUE BLUE GREEN BLUE
IN: fep OUT: BLUE
IN: dax OUT: GREEN

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