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

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

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