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

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

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