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

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

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