Subordinating conjunctions creates a transition between two complex sentences. It indicates the place or time or a cause and effect relationship. Even though, how, if, though, while, although etc. are some of the subordinating conjunctions.
Therefore, the above lines with subordinating conjunction will be written as:
Although the movie was boring, Holly couldn't bring herself to leave the cinema. Her friends then decided to go to a restaurant close by. In the end, Holly enjoyed the evening because they ordered her favorite food—Chinese.
