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

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

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