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

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

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