Problem: S1: She talks to Jen 's parents and speculates that Jess has come back to take the earrings .
S2: She talks to Jen 's parents and speculates that Jess may have come back to take the earrings .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Under Frank and later Nicky Scarfo served Phil Testa .
S2: Frank served under Phil Testa and later Nicky Scarfo .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The Rebricea River is a tributary of the Cocora River in Romania .
S2: The Rebricea River is a tributary of Cocora River in Romania .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes