What are some factors that may indicate that a patient with a first depressive episode may actually be presenting bipolar disorder? I. A family hi...

What are some factors that may indicate that a patient with a first depressive episode may actually be presenting bipolar disorder?

I. A family history of bipolar disorder can be an indicative with 56% sensitivity and 98% specificity.
II. The age of onset of the depressive episode can be suggestive of bipolar disorder.
III. The presence of psychotic symptoms during the depressive episode can indicate bipolar disorder.
IV. The occurrence of transgenerational depression or depression in many people in the same family can indicate bipolar disorder.
a) Only I and II are correct.
b) Only II, III, and IV are correct.
c) Only I, III, and IV are correct.
d) All statements are correct.