What is your answer?

    Anyone who has just lost a lot of blood is likely to faint.
    No one who is likely to faint is a safe pilot.
    So ???
    { 1 } - Everyone who has just lost a lot of blood is a safe pilot.
    { 2 } - No one who has just lost a lot of blood is a safe pilot.
    { 3 } - All safe pilots have just lost a lot of blood.
    { 4 } - None of these validly follows.

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1 is wrong. Please try again.

    Anyone who has just lost a lot of blood is likely to faint.
    No one who is likely to faint is a safe pilot.
    So ???

No! Such people might faint!

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2 is correct!

    Anyone who has just lost a lot of blood is likely to faint.
    No one who is likely to faint is a safe pilot.
    So ???
    { 1 } - Everyone who has just lost a lot of blood is a safe pilot.
    { 2 } - No one who has just lost a lot of blood is a safe pilot.
    { 3 } - All safe pilots have just lost a lot of blood.
    { 4 } - None of these validly follows.

By the first premise, if you just lost a lot of blood then you might faint. By the second premise, if you might faint then you wouldn't make a safe pilot. So if you just lost a lot of blood then you wouldn't make a safe pilot. You might faint!

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3 is wrong. Please try again.

    Anyone who has just lost a lot of blood is likely to faint.
    No one who is likely to faint is a safe pilot.
    So ???
    { 1 } - Everyone who has just lost a lot of blood is a safe pilot.
    { 2 } - No one who has just lost a lot of blood is a safe pilot.
    { 3 } - All safe pilots have just lost a lot of blood.
    { 4 } - None of these validly follows.

No! Such pilots might faint!

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4 is wrong. Please try again.

    Anyone who has just lost a lot of blood is likely to faint.
    No one who is likely to faint is a safe pilot.
    So ???
    { 1 } - Everyone who has just lost a lot of blood is a safe pilot.
    { 2 } - No one who has just lost a lot of blood is a safe pilot.
    { 3 } - All safe pilots have just lost a lot of blood.
    { 4 } - None of these validly follows.

No, we can draw one of the conclusions.

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