Problem: S1: Turrisipho dalli is a species of sea snail , a marine gastropod mollusk in the family Buccinidae , the true whelks .
S2: Turrisipho dalli is a species of the sea snail , a true gastropod mollusk in the Buccinidae family , the navy whelks .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Mitzy learns Dexter Walker ( Charles Cottier ) has feelings for Marilyn and she tries to get him to see that Marilyn does not have one for him .
S2: Mitzy learns Dexter Walker ( Charles Cottier ) has feelings for Marilyn and she tries to make him see that Marilyn does not have any for him .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Johnny Triumph frequently collaborates with the singer Bjork and has performed with The Sugarcubes as Sjon .
S2: Johnny Triumph often collaborates with the singer Bjork and has performed as Sjon with The Sugarcubes .

Do S1 & S2 convey the same information?

A:
yes