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

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

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