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

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

*GRAMMAR*
lug -> RED 
 wif -> BLUE 
 fep -> YELLOW 
 gazzer -> GREEN 
 x1 zup -> [x1] [x1] 
 u1 blicket -> [u1] [u1] 
 x1 tufa x2 -> [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 