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

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

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