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

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

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