GA terms and their corresponding definitions. The population is a collection of scripts, each chromosome is a script, each gene is a sentence, and n_p, n_s, and n denote the number of scripts in the population, number of sets in a script, and number of sentences in a set, respectively. Sentence_i denotes the i-th sentences in the candidate sentence set. The sentences were randomly sampled from the candidate sentence set during initialization, and there were no duplicate sentences in each script.