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

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

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