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

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

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