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

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

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