*SUPPORT*
IN: zup tufa wif zup fep OUT: RED BLUE RED BLUE RED BLUE RED
IN: zup gazzer OUT: RED PINK
IN: gazzer wif gazzer OUT: PINK BLUE PINK
IN: blicket fep dax blicket OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif zup OUT: BLUE RED
IN: zup zup zup blicket OUT: RED RED RED GREEN
IN: blicket blicket OUT: GREEN GREEN
IN: wif tufa gazzer fep OUT: BLUE PINK PINK PINK
IN: zup fep OUT: RED RED RED
IN: wif tufa blicket OUT: BLUE GREEN
IN: zup dax blicket OUT: GREEN GREEN RED
IN: wif OUT: BLUE
IN: gazzer fep OUT: PINK PINK PINK
IN: gazzer gazzer OUT: PINK PINK

*QUERY*
IN: zup wif OUT: RED BLUE
IN: zup blicket OUT: RED GREEN
IN: gazzer wif OUT: PINK BLUE
IN: gazzer tufa wif fep OUT: PINK BLUE BLUE BLUE
IN: wif fep OUT: BLUE BLUE BLUE
IN: gazzer OUT: PINK
IN: wif zup tufa blicket gazzer blicket OUT: BLUE RED GREEN PINK GREEN
IN: zup tufa blicket blicket OUT: RED GREEN GREEN
IN: blicket OUT: GREEN
IN: zup OUT: RED

*GRAMMAR*
zup -> RED 
 gazzer -> PINK 
 blicket -> GREEN 
 wif -> BLUE 
 x1 dax x2 -> [x2] [x2] [x1] 
 u1 tufa x1 -> [u1] [x1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 