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

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

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