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

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

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