*SUPPORT*
IN: wif gazzer tufa gazzer OUT: GREEN PINK PINK
IN: blicket tufa gazzer fep dax tufa wif OUT: GREEN YELLOW PINK PURPLE
IN: dax OUT: YELLOW
IN: wif tufa gazzer fep wif blicket OUT: GREEN PURPLE PINK GREEN
IN: gazzer tufa wif OUT: GREEN PINK
IN: blicket gazzer kiki gazzer OUT: PURPLE PINK PINK
IN: wif tufa blicket fep wif kiki dax OUT: YELLOW GREEN PURPLE GREEN
IN: wif kiki wif fep dax OUT: YELLOW GREEN GREEN
IN: dax tufa gazzer fep wif OUT: GREEN PINK YELLOW
IN: wif fep dax kiki wif OUT: GREEN YELLOW GREEN
IN: blicket kiki wif OUT: GREEN PURPLE
IN: blicket tufa gazzer OUT: PINK PURPLE
IN: gazzer OUT: PINK
IN: dax kiki dax fep wif kiki dax OUT: YELLOW GREEN YELLOW YELLOW

*QUERY*
IN: gazzer gazzer fep wif tufa dax OUT: YELLOW GREEN PINK PINK
IN: gazzer kiki blicket OUT: PURPLE PINK
IN: dax kiki dax OUT: YELLOW YELLOW
IN: dax tufa blicket OUT: PURPLE YELLOW
IN: dax wif kiki blicket fep blicket OUT: PURPLE YELLOW PURPLE GREEN
IN: wif fep dax tufa wif OUT: GREEN YELLOW GREEN
IN: wif kiki gazzer OUT: PINK GREEN
IN: wif OUT: GREEN
IN: dax tufa wif OUT: GREEN YELLOW
IN: blicket OUT: PURPLE

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