Do the following sentences say the same thing?
Many people run in a race on a street.
A puppy running along a street.

1

Do the following sentences say the same thing?
15 killed and scores injured in suicide bombing at Russian train station
Suicide bomber kills 14 at Russian train station

3

Do the following sentences say the same thing?
That triggered a 47-hour police standoff that inconvenienced thousands of commuters, as traffic backed up in Downtown Washington and northern Virginia.
His protest led to a 47-hour standoff with police that caused huge traffic jams in downtown Washington and northern Virginia.

4

Do the following sentences say the same thing?
Mann's work was all about math.
Mann's work and the HS was all about Tree rings.
2