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

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

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