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

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

*GRAMMAR*
tufa -> PURPLE 
 fep -> GREEN 
 wif -> RED 
 gazzer -> BLUE 
 x1 kiki x2 -> [x2] [x1] 
 x1 dax -> [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 