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

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

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