Yes it's possible to delete any post you have posted on social media but the post will not be deleted for the managers and the social media platform/team. You may not see it and people but the managers and people behind the app will still have this.
First, you have to summarize what is happening in the story. A country mouse invites his city mouse friend to his fields for dinner. The city mouse does not enjoy his dinner, so he invites the country mouse to his house. They cannot eat because they are constantly in danger.
The dependent clause of the sentence is "If we are going to make it to the movie on time," because it depends on the next part of the sentence to make sense. Without the next half of the sentence, the clause left alone wouldn't make any sense. The other clause is independent, meaning that it still makes sense when it stands without the dependent clause.
The scene is awkward and uncomfortable.