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

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

*GRAMMAR*
lug -> BLUE 
 dax -> GREEN 
 fep -> YELLOW 
 zup -> RED 
 x1 wif -> [x1] [x1] 
 x1 blicket u1 -> [x1] [u1] 
 x1 tufa x2 -> [x2] [x1] [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 