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

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

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