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

*QUERY*
IN: kiki wif zup OUT: PURPLE BLUE PURPLE PURPLE
IN: gazzer zup OUT: RED PURPLE
IN: kiki wif dax OUT: GREEN BLUE GREEN GREEN
IN: kiki gazzer wif gazzer OUT: BLUE RED RED RED RED
IN: kiki blicket OUT: BLUE BLUE
IN: dax blicket OUT: GREEN GREEN
IN: kiki tufa kiki OUT: BLUE BLUE BLUE BLUE
IN: dax tufa gazzer blicket OUT: RED GREEN RED RED RED GREEN RED RED
IN: zup dax OUT: PURPLE GREEN
IN: zup wif dax OUT: GREEN PURPLE GREEN GREEN

*GRAMMAR*
kiki -> BLUE 
 dax -> GREEN 
 zup -> PURPLE 
 gazzer -> RED 
 x1 blicket -> [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] [x2] [x2] 
 u1 wif u2 -> [u2] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 