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

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

*GRAMMAR*
gazzer -> YELLOW 
 dax -> BLUE 
 fep -> PURPLE 
 wif -> GREEN 
 u1 zup -> [u1] [u1] 
 x1 tufa -> [x1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 