*SUPPORT*
IN: kiki OUT: PINK
IN: kiki zup gazzer kiki OUT: PINK RED PINK RED RED PINK
IN: zup blicket zup OUT: RED RED RED
IN: kiki kiki wif wif dax fep dax kiki OUT: PINK BLUE PINK PINK GREEN GREEN
IN: wif zup blicket kiki OUT: GREEN RED GREEN RED PINK
IN: wif gazzer wif dax wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep kiki OUT: BLUE PINK
IN: wif blicket kiki OUT: GREEN GREEN PINK
IN: wif gazzer fep OUT: GREEN BLUE GREEN GREEN BLUE
IN: fep gazzer zup OUT: BLUE RED BLUE BLUE RED
IN: wif gazzer kiki OUT: GREEN PINK GREEN GREEN PINK
IN: zup OUT: RED
IN: wif wif dax kiki OUT: PINK GREEN GREEN
IN: zup kiki blicket fep OUT: RED PINK RED PINK BLUE

*QUERY*
IN: kiki gazzer wif OUT: PINK GREEN PINK PINK GREEN
IN: wif gazzer wif OUT: GREEN GREEN GREEN GREEN GREEN
IN: fep OUT: BLUE
IN: zup gazzer zup OUT: RED RED RED RED RED
IN: zup kiki blicket zup OUT: RED PINK RED PINK RED
IN: fep wif gazzer fep dax kiki dax wif OUT: GREEN PINK BLUE GREEN BLUE GREEN GREEN BLUE
IN: zup dax fep OUT: BLUE RED
IN: fep gazzer wif OUT: BLUE GREEN BLUE BLUE GREEN
IN: kiki gazzer fep OUT: PINK BLUE PINK PINK BLUE
IN: wif OUT: GREEN

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