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

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

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