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

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

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