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

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

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