Draw 3 significant resonance structures for the compound shown below. Place a box around the major contributor. Fill in any missing formal charges. 
Definitions:
Heredity
The passing of traits from parents to offspring through genes.
Pelvic Inflammatory Disease
An infection of the female reproductive organs, often caused by sexually transmitted infections, leading to severe health complications including infertility.
PID
Pelvic Inflammatory Disease, a condition affecting women characterized by infection and inflammation of the reproductive organs, often caused by sexually transmitted infections.
Spontaneous Abortion
Unplanned, accidental abortion.
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