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

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

*GRAMMAR*
kiki -> PURPLE 
 gazzer -> BLUE 
 fep -> GREEN 
 wif -> RED 
 x1 blicket x2 -> [x2] [x1] 
 x1 dax -> [x1] [x1] 
 x1 tufa u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 