Unfortunately, from the study, most of the subjects had no idea there was anything to do with a court or lawyers by the end of the passages at all.
Yes, agreed completely. You can get a lot (but not everything) from context. The text will be clearer if you look up unfamiliar terms (which they were allowed to do). But if you gloss over Lincoln's Inn Hall as "obviously some kind of inn", you won't have a full understanding of what follows.
[0]: https://muse.jhu.edu/article/922346