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

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

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