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

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

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