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

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

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