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

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

*GRAMMAR*
wif -> YELLOW 
 lug -> RED 
 zup -> GREEN 
 gazzer -> PURPLE 
 x1 dax -> [x1] [x1] [x1] [x1] 
 u1 fep u2 -> [u2] [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 