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

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

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