- At the theater, the movie, watched, they.
- They watched the movie at the theater.
- They watched at the theater the movie.
- The movie at the theater, they watched.
The correct sentence structure in English is Subject-Verb-Object-Place. The subject (they) should be followed by the verb (watched), then the object (the movie), and finally, the place (at the theater). The correct option (b) follows this structure.