*SUPPORT*
IN: wif tufa wif OUT: GREEN GREEN
IN: wif wif OUT: GREEN GREEN
IN: dax tufa wif OUT: RED GREEN
IN: zup wif wif tufa dax blicket fep OUT: PINK GREEN GREEN RED PURPLE
IN: wif zup OUT: GREEN PINK
IN: wif fep OUT: GREEN PURPLE
IN: wif tufa zup OUT: GREEN PINK
IN: zup zup gazzer OUT: PINK PINK PINK PINK PINK PINK
IN: dax OUT: RED
IN: fep blicket dax tufa zup OUT: PURPLE RED PINK
IN: fep wif wif wif blicket zup tufa zup OUT: PURPLE GREEN GREEN GREEN PINK PINK
IN: dax tufa wif gazzer OUT: RED GREEN RED GREEN RED GREEN
IN: wif OUT: GREEN
IN: dax tufa fep blicket fep tufa zup gazzer OUT: RED PURPLE PURPLE PINK PURPLE PINK PURPLE PINK

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

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