The correct answer for this question is this one:
"The type of channel do Speaker 1 and Speaker 2 use in their communication is that they are directly receive the content of the message via person-to-person, without any device like telephone, sms, or someone who can deliver it to them personally.
The answer to number one is the rising action
There is no underlined word.
Sally is a Direct Object
Best is a predicate adjective
Is is a predicate nominative