+ static String conjoption="style=bold";
+ static String absrepoption="shape=box,color=blue,style=bold";
+ static String updateoption="shape=box,color=red,style=bold";
+ static String scopeoption="color=brown";
+ static String conseqoption="style=bold,color=green";
+ static String compoption="shape=box,color=purple,style=bold";