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

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

*GRAMMAR*
gazzer -> YELLOW 
 fep -> PURPLE 
 tufa -> GREEN 
 wif -> BLUE 
 u1 dax -> [u1] [u1] 
 x1 lug x2 -> [x1] [x2] [x1] [x2] [x2] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 