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

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

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