Assume the statements are true.

Statements: All rafts are boats. Some boats are ships. All ships are yachts.

Conclusions:

I. Some rafts are ships.

II. Some boats are yachts.

Explanation

1. 01

   The boats that are ships are yachts, since every ship is a yacht. So some boats are yachts: II follows.

2. 02

   Rafts are inside boats, but the ship overlap may lie outside the rafts. I is not definite.

3. 03

   Only II follows.