*SUPPORT*
IN: dax gazzer fep dax OUT: GREEN GREEN GREEN
IN: tufa wif OUT: BLUE RED
IN: wif OUT: RED
IN: wif gazzer OUT: RED RED
IN: dax tufa gazzer OUT: GREEN BLUE BLUE
IN: wif blicket lug OUT: PINK RED
IN: lug gazzer OUT: PINK PINK
IN: dax gazzer fep wif OUT: GREEN GREEN RED
IN: tufa OUT: BLUE
IN: tufa blicket wif OUT: RED BLUE
IN: wif blicket tufa fep wif OUT: BLUE RED RED
IN: tufa dax OUT: BLUE GREEN
IN: wif lug OUT: RED PINK
IN: lug OUT: PINK

*QUERY*
IN: tufa lug OUT: BLUE PINK
IN: dax gazzer OUT: GREEN GREEN
IN: wif blicket lug fep lug OUT: PINK RED PINK
IN: wif tufa blicket tufa OUT: RED BLUE BLUE
IN: dax fep tufa OUT: GREEN BLUE
IN: tufa blicket lug OUT: PINK BLUE
IN: lug blicket lug OUT: PINK PINK
IN: lug fep lug OUT: PINK PINK
IN: dax OUT: GREEN
IN: wif gazzer fep dax OUT: RED RED GREEN

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