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

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

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