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

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

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