*SUPPORT*
IN: wif gazzer OUT: BLUE BLUE
IN: tufa blicket gazzer OUT: GREEN RED RED
IN: dax gazzer lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa gazzer lug OUT: GREEN GREEN GREEN GREEN
IN: tufa OUT: GREEN
IN: dax OUT: PURPLE
IN: blicket OUT: RED
IN: wif blicket gazzer OUT: BLUE RED RED
IN: dax tufa gazzer lug OUT: PURPLE GREEN GREEN PURPLE GREEN GREEN
IN: blicket tufa zup zup OUT: RED GREEN RED GREEN RED GREEN RED GREEN
IN: wif tufa OUT: BLUE GREEN
IN: blicket wif wif OUT: RED BLUE BLUE
IN: blicket gazzer OUT: RED RED
IN: tufa gazzer OUT: GREEN GREEN

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

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