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

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

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