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

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

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