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

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

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