Answer:Advent Automobiles is the SENDER
Explanation:
In the communication process, the sender is the one whom the message originates from who is also referred to as a communicator. The sender decides how they going to convey the message interms of what langauge the sender is going to use or what symbols.
The sender also decide in the media of communication that they are going to use to convey the message. In this case Advent Automobiles chose newspaper and social media as their media of communicating their message.
The aim of their message is to inform consumers about their new model SUV and it's features so here consumers are the receivers of the message who will be expected to decode this message and respond to the advertisement.