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

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

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