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

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

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