*SUPPORT*
IN: zup fep tufa OUT: RED GREEN
IN: zup blicket dax dax OUT: YELLOW YELLOW RED RED
IN: dax blicket zup zup OUT: RED RED YELLOW YELLOW
IN: dax zup blicket dax tufa OUT: YELLOW YELLOW GREEN RED RED
IN: wif lug fep zup OUT: BLUE BLUE BLUE RED
IN: wif blicket zup wif OUT: RED BLUE BLUE BLUE
IN: dax lug OUT: YELLOW YELLOW YELLOW
IN: wif OUT: BLUE
IN: dax fep wif OUT: YELLOW BLUE
IN: tufa fep wif OUT: GREEN BLUE
IN: zup OUT: RED
IN: dax fep tufa lug OUT: YELLOW GREEN YELLOW GREEN YELLOW GREEN
IN: wif wif blicket wif fep tufa OUT: BLUE BLUE BLUE BLUE GREEN
IN: zup fep dax OUT: RED YELLOW

*QUERY*
IN: dax fep zup OUT: YELLOW RED
IN: dax OUT: YELLOW
IN: wif fep tufa OUT: BLUE GREEN
IN: zup lug OUT: RED RED RED
IN: tufa lug OUT: GREEN GREEN GREEN
IN: tufa blicket dax OUT: YELLOW GREEN GREEN
IN: dax dax fep tufa OUT: YELLOW YELLOW GREEN
IN: tufa fep dax OUT: GREEN YELLOW
IN: wif zup OUT: BLUE RED
IN: tufa OUT: GREEN

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