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

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

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