Do the following sentences say the same thing?
The two dogs are running through the grass.
Three dogs run in the snow.

2

Do the following sentences say the same thing?
Blizzard brings US northeast to a halt
Blizzard wallops US Northeast, closes roads

4

Do the following sentences say the same thing?
Sprinters Tyson Gay and Asafa Powell test positive for banned substance
US sprinter Tyson Gay tests positive for banned substance

3

Do the following sentences say the same thing?
Sectarian clashes rock Lebanese city of Tripoli
Sectarian clashes rock Lebanese city, 3 killed
4