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

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

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