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

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

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