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

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

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