Some balls are toys. All circles are balls. All balls are pits. Which conclusions logically follow? (I) Some circles are toys. (II) All pits are toys.

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Let's analyze the statements and conclusions step-by-step:

Statements:
1. Some balls are toys.
2. All circles are balls.
3. All balls are pits.

From statement 2 and 3:
- All circles are balls.
- All balls are pits.

Therefore, all circles are pits (since all circles are balls and all balls are pits).

Now, check conclusion (I): Some circles are toys.
- We know some balls are toys, but it is not given that any circles are toys.
- Circles are a subset of balls, but 'some balls are toys' does not imply 'some circles are toys'.
- So, conclusion (I) does not necessarily follow.

Check conclusion (II): All pits are toys.
- All balls are pits.
- Some balls are toys.
- But 'some balls are toys' does not imply 'all pits are toys'.
- Also, pits include balls and possibly other elements, so we cannot say all pits are toys.
- So, conclusion (II) does not follow.

Hence, neither conclusion (I) nor (II) logically follows from the given statements.

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