Problem: S1: Garcia de Luna fought on the Spanish side in the Battle of Carabobo , against Simon Bolivar and the British Legions , during Venezuelan War of Independence in 1821 .
S2: In 1821 , during the Venezuelan War of Independence , Garcia de Luna fought Simon Bolivar and the British Legions on the Spanish side at the Battle of Carabobo .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: He developed and introduced a number of surgical techniques that improved the safety and effectiveness of neurosurgery , including the use of the microsurgical microscope in neurosurgery .
S2: He developed and implemented a number of surgical techniques that improve the safety and effectiveness of neurosurgery , including the use of the microsurgical microscope in neurosurgery .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The South / Kazai government was supported by another Belgian mining company , which received concessions from the new state in return for financial support .
S2: The South Kasai government was supported by , another new mining company , which received concessions from the Belgian state in return for financial support .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no