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

*QUERY*
IN: dax OUT: PINK
IN: zup gazzer OUT: RED RED RED RED
IN: wif fep zup OUT: RED GREEN
IN: kiki fep kiki OUT: PURPLE PURPLE
IN: zup dax gazzer OUT: RED PINK RED PINK RED PINK RED PINK
IN: dax dax gazzer OUT: PINK PINK PINK PINK PINK PINK PINK PINK
IN: zup wif zup zup blicket OUT: RED GREEN RED RED RED RED
IN: wif blicket OUT: GREEN GREEN GREEN
IN: dax gazzer OUT: PINK PINK PINK PINK
IN: zup OUT: RED

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