*SUPPORT*
IN: fep gazzer wif OUT: PINK PURPLE
IN: fep kiki zup OUT: PURPLE YELLOW
IN: zup tufa OUT: YELLOW GREEN
IN: tufa zup OUT: GREEN YELLOW
IN: wif zup gazzer zup OUT: PINK YELLOW YELLOW
IN: tufa gazzer fep OUT: PURPLE GREEN
IN: zup OUT: YELLOW
IN: wif kiki wif OUT: PINK PINK
IN: wif kiki fep OUT: PINK PURPLE
IN: tufa gazzer fep dax tufa gazzer fep OUT: PURPLE GREEN PURPLE GREEN
IN: fep zup dax fep OUT: PURPLE PURPLE YELLOW
IN: zup gazzer fep OUT: PURPLE YELLOW
IN: fep OUT: PURPLE
IN: tufa kiki wif OUT: GREEN PINK

*QUERY*
IN: tufa gazzer tufa OUT: GREEN GREEN
IN: tufa dax zup kiki fep OUT: YELLOW PURPLE GREEN
IN: fep gazzer fep OUT: PURPLE PURPLE
IN: tufa OUT: GREEN
IN: zup fep dax fep gazzer zup OUT: YELLOW PURPLE YELLOW PURPLE
IN: wif kiki tufa OUT: PINK GREEN
IN: wif OUT: PINK
IN: wif gazzer zup OUT: YELLOW PINK
IN: tufa gazzer tufa dax fep OUT: PURPLE GREEN GREEN
IN: tufa gazzer wif OUT: PINK GREEN

*GRAMMAR*
fep -> PURPLE 
 tufa -> GREEN 
 wif -> PINK 
 zup -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 