original: On December 19, 2006, a large white plume of condensing steam was observed, leading some media people to assume there had been a small eruption.
simplifications: There was a large white plume of condensing steam seen on December 19, 2006.  It lead some media people to assume there had been a small eruption. On December 19, 2006, a large white cloud of condensing steam was seen. Media believed it was an eruption. On December 19, 2006, people saw white smoke. Some media supposed it was from a minor volcanic eruption. On December 19, 2006, a large white gathering of steam was seen. Some media people thought this was from a small eruption. On December 19, 2006, people saw a large white plume of condensing steam. Some media thought there was a small eruption . A large white plume of condensing steam was observed on December 19, 2006, the media assumed there was a small eruption. On December 19, 2006, some people believed there was an eruption because they saw a large white plume of steam. On December 19, 2006, a large white plume of steam was seen. The plum led some media people to assume there was a small eruption. On December 19, 2006, a large white plume of condensing steam was observed.  The media assumed there had been a small eruption. On 12/19/2006, many people thought there was a small eruption when a big white puff of steam was seen.