question: collecting materials:editing:publishing
choices.label: A B C D
choices.text: requirements research:software development:delivery and use emergencies:landslides:emergency rescue buy tickets:luggage security check:prepay tickets internet search:field trip:merchant delivery
explanation: now, after "collecting materials", "editing" is carried out, and finally , "publishing" is carried out. the three belong to the correspondence of time, and the subjects of "collecting materials", "editing", and "publishing" are the same. now do "requirements research" and then proceed to "software development", which can finally be "delivered and used the three are time-dependent correspondence, and the subjects of "requirements research", "software development", and "delivery and use" are the same. "landslide" is a kind of "emergency", "landslide" belongs to "sudden danger", "landslide", "emergency" and "emergency rescue" do not have time to respond. first "prepay tickets", then "buy tickets", and finally , "luggage security check" to take the ride, the three are corresponding, but the word order is inconsistent with the query. "internet search", then "field trip", then "merchant delivery", "online search", "on-site inspection", "merchant delivery" are in chronological order, but "online search" and "field trip" the main body of "field trip" is the buyer, and the main body of "merchant delivery" is the merchant.
relation: collecting materials editing publishing R5.2
relation: requirements research software development delivery and use R5.2
relation: landslides emergencies R2.2
relation: prepay tickets buy tickets luggage security check R5.2
relation: internet search field trip merchant delivery R5.2