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

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

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