The answer would be the 3rd sentence.
<span>Gideon and Francis took a difficult - but not interesting - science course.</span>
He deals with the negative aspects of the french revolution.
The award for excellence in architectural design will go to the architect _whom_ the committee selects
Antecedent _architect_.
From the dictionary:
Antecedent: a word or phrase that a pronoun refers back to:
In the sentence "He picked a book off the shelf and handed it to Sally", "book" is the antecedent of "it
It creates an organized structure that allows Kennedy to counter the opinions of others.
I would say the correct answer would be Alex is his brother since the way the statement is worded, first it talks of his sister, then of his brother Jerry and next his sibling, Alex so since it comes right after the mention of his brother Jerry I would think Alex would be a brother though I can't prove it .