Problem: S1: A screw-shaped camshaft is a type of variable mechanical valve actuation system ( VVA ) .
S2: A mechanical variable camshaft is a type of helical valve actuation ( VVA ) system .

Do S1 & S2 convey the same information?

A: no

Problem: S1: John M. Work was born January 3 , 1869 , in rural Iowa in Southeastern Washington County , the son of John H. Work , a farmer .
S2: John M. Work was born on January 3 , 1869 in rural Iowa in southeastern Washington County , the son of John H. Work , a farmer .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Jolene is Bob Ferguson 's thirteenth solo studio album , produced by Dolly Parton .
S2: Dolly Parton 's thirteenth solo studio album , produced by Bob Ferguson , is Jolene .

Do S1 & S2 convey the same information?

A:
no