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

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

*GRAMMAR*
wif -> BLUE 
 dax -> GREEN 
 fep -> RED 
 zup -> YELLOW 
 x1 blicket x2 -> [x1] [x2] 
 x1 tufa x2 -> [x1] [x1] [x2] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 