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

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

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