Record 16a3daad35a4458dba3e9b65937ef5ee

At 8:02, Lena brought the cracked folder over to the rooftop terrace. At 8:02, Opal happened to be watching. At 8:03, Nolan carried the cracked folder to the workshop. At 8:03, she noticed this from across the room. At 8:04, he carried the cracked folder to the basement. At 8:05, Lena took the narrow wrench and placed it in the print room. At 8:06, Oscar moved the narrow wrench into the rooftop terrace. At 8:07, she moved the narrow wrench into the print room. At 8:08, Nolan brought the narrow wrench over to the basement. At 8:09, she took the narrow wrench and placed it in the library. At 8:11, she moved the narrow wrench into the library. At 8:01, Opal moved the cracked folder into the workshop. At 8:12, Oscar carried the narrow wrench to the workshop. At 8:13, he reorganized some papers on the desk. At 8:14, he refilled a cup of coffee. At 8:15, Nolan glanced at the clock. At 8:16, Opal glanced at the clock. At 8:17, he reorganized some papers on the desk. At 8:18, she refilled a cup of coffee. At 8:19, Lena refilled a cup of coffee. At 8:20, Nolan glanced at the clock. At 8:21, Oscar stretched and looked out the window. At 8:22, he stretched and looked out the window. At 8:23, Opal made a quick phone call. At 8:24, she checked their email. At 8:25, Lena checked their email. At 8:10, Nolan took the narrow wrench and placed it in the workshop. At 8:00, Opal moved the cracked folder into the library.

Where does Opal believe the cracked folder is? Answer with only the location name (or 'unknown' if they have no belief).

workshop

(no reasoning captured)