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

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

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