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

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

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