event_id   event_type     time      receiver_id   sender_id    priority		message
1 	    R  	    708  	    10  	
2 	    S  	    725  	    10  	    10  	      2  	    CSE373 is interesting
3 	    R  	    268  	    10  	
4 	    S  	    985  	    10  	    10  	      1  	    CSE373 is interesting
5 	    R  	    224  	    10  	
6 	    S  	    425  	    10  	    10  	      1  	    Is C++ more efficient?
7 	    S  	    573  	    10  	    10  	      1  	    CSE373 is interesting
8 	    S  	    358  	    10  	    10  	      3  	    I am using Java
9 	    S  	    261  	    10  	    10  	      2  	    Assignments are so easy
10 	    S  	    461  	    10  	    10  	      1  	    Is C++ more efficient?