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

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

*GRAMMAR*
dax -> RED 
 kiki -> BLUE 
 gazzer -> GREEN 
 fep -> YELLOW 
 x1 tufa u1 -> [x1] [u1] [x1] [x1] [u1] 
 u1 lug -> [u1] [u1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 