No it is not punctuated correctly
The man in the jail house tried to kill or find trouble for Tom Robinson. Luckily Atticus was there and Jem had the idea of following his father because he was worried. Scout later then solved the issue by mentioning Mr Cunningham's trail (or some sort I forgot) and they all realised that Atticus is just trying to do his job and justify the person like how he treats them. At last they went back and Tom wasn't harmed.
Answer:
I will be very sad if you do that
I think the biased one would be the second excerpt
<em>She Prepares to Fight": Though past 50 years of age, she is tall and powerful and looks like she would be dangerous if aroused to a point of hatred.</em>
We can see that it's a biased excerpt because it appears to contain a prejudice that may have affected the writer's beliefs about Mrs. Hossack.
Even though it may not display the full situation