Complex sentence: Tiffany dislikes Piper after she is placed on the WAC committee despite Piper not having run for the position, and also has a long-running hostile relationship with Alex, with the two of them clashing frequently.
Split into simpler sentences: Tiffany dislikes Piper after Piper is placed on the WAC committee, despite not having run for the position. Tiffany also has a long-running hostile relationship with Alex, the two of them clashing frequently.