Please choose the correct solution to the question: how to tell if a seashell is alive or dead

Solution1: a live seashell is a shell with animal zoo enclosures still attached to it. A dead shell is a shell with no animal tissue inside it.

Solution2: a live seashell is a shell with animal tissue still attached to it. A dead shell is a shell with no animal tissue inside it.

Answer format: solution1/solution2
Answer: solution2