Problem: S1: Theoretically , TS can be derived for simple targets such as spheres and cylinders , but in practice it is mostly empirically measured or calculated with numeric models .
S2: TS can be derived theoretically for simple targets such as spheres and cylinders , but in practice , it is usually measured empirically or calculated with numerical models .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: He also produced music for films composed outside Sri Lanka ( a thousand flowers ) .
S2: He has also composed music for films produced outside Sri Lanka ( Thousand Flowers ) .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: They were equipped with a white leather apron , long stulp gloves and an axe with a handle mounted on a brass .
S2: They were equipped with a long leather apron , white gauntlet gloves , and an axe with a brass mounted handle .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no