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

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

*GRAMMAR*
zup -> RED 
 wif -> GREEN 
 fep -> YELLOW 
 lug -> BLUE 
 x1 dax -> [x1] [x1] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 