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

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

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