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

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

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