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

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

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