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

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

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