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

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

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