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

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

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