Problem: S1: William Belden Noble Lectures is an annual series of accomplished presentations by American individuals , held at Harvard University .
S2: Noble Lectures by William Belden is an annual series of successful presentations of American individuals held at Harvard University .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: With Dutt injured , America 's Most Wanted hit Sabin with the Death Sentence to retain the titles .
S2: Injured with Sabin , America 's Most Wanted Dutt hit the death sentence to keep the titles .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Akwa Ibom State or Eket Airfield is an airport serving Eket , a city in the Eket Airstrip of Nigeria .
S2: Eket Airstrip or Eket Airfield is an airport that serves Eket , a city in the Akwa Ibom State of Nigeria .

Do S1 & S2 convey the same information?

A:
no