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

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

*GRAMMAR*
lug -> RED 
 tufa -> PURPLE 
 wif -> GREEN 
 blicket -> BLUE 
 u1 dax -> [u1] [u1] [u1] [u1] [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 x1 gazzer x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 