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

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

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