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

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

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