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

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

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