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

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

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