*SUPPORT*
IN: zup tufa lug OUT: YELLOW GREEN
IN: lug tufa lug gazzer OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug OUT: GREEN
IN: zup tufa wif OUT: YELLOW RED
IN: lug kiki OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif dax OUT: RED BLUE
IN: lug tufa wif OUT: GREEN RED
IN: lug gazzer OUT: GREEN GREEN GREEN
IN: lug dax tufa wif OUT: GREEN BLUE RED
IN: zup tufa dax OUT: YELLOW BLUE
IN: lug tufa lug OUT: GREEN GREEN
IN: wif tufa wif OUT: RED RED
IN: wif zup wif tufa zup OUT: RED YELLOW RED YELLOW
IN: dax dax tufa zup OUT: BLUE BLUE YELLOW

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

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