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

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

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