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

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

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