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

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

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