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

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

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