Two statements are given, followed by th...

Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements: All computers are instruments. Some machines are computers.
Conclusions: I. All instruments are computers. II. Some machines are instruments. III. Some instruments are machines.

All the conclusions follow.

Only conclusions I and II follow.

Only conclusions II and III follow.

Only conclusions I and III follow.

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