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

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

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