 Of the following options, which best describes the relationship between Tremaine and Jess?
In his room at the Elsby Commercial Hotel, Tremaine opened his luggage and took out a small tool kit, used a screwdriver to remove the bottom cover plate from the telephone. Tremaine covered the discovery of the powerful unidentified interference on the high-security hyperwave band, the discovery that each transmission produced not one but a pattern of "fixes" on the point of origin. It showed a set of concentric circles, overlapped by a similar group of rings. "The point is this, Jess: we think we've got it narrowed down to this section. "Course," said Jess, "there's always Mr. Bram ..." "I've never seen any harm in Bram," said Jess. I used to think she was some kind of princess...."
 They knew each other growing up and are temporarily working together.
 They hate each other but are working together in their investigation.  They're childhood friends and they ran into each other and caught up for old times' sake.  They knew each other growing up and are temporarily working together.  They're hindering each other's ability to succeed in the investigation.