Problem: Wwo sentences:
The format must be an open standard that has been formally ratified by an internationally recognized standards organization , and IP must be licensed under reasonable , non-discriminatory terms .
The format must be formally ratified by an internationally recognized standards organization , and IP must be licensed under reasonable , non-discriminatory terms , they added .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
At least 13 of the affected flights were scheduled out of Atlanta .
At least 13 flights out of Atlanta were listed as canceled .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
In a series of raids , Moroccan police arrested 33 suspects on Saturday , including some linked to the radical Djihad Salafist group , a senior official said .
Moroccan police have arrested 33 suspects , including some linked to the radical Djihad Salafist group , a government official said .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
The money was taken at 4 a.m. on March 18 , hours before the U.S. launched its first air strikes , the newspaper said .
The seizure took place at 4 a.m. on March 18 , just hours before the first American air assault .
Do they have the same meaning?

Answer:
yes