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

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

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