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

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

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