Complex sentence: In December 1883 she played the title role in Gilbert and Sullivan's "Patience" and as principal boy in the following Christmas pantomime was careless when climbing the beanstalk, fell and broke her arm, had it set in the theatre, and completed the part.
Split into simpler sentences: In December 1883, she played the title role in Gilbert and Sullivan's "Patience". As principal boy in the following Christmas pantomime, Stewart was careless when climbing the beanstalk, fell and broke her arm, had it set in the theatre, and completed the part.