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

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

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