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

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

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