question: morning glory:dawn flower
choices.label: A B C D
choices.text: christmas:feast day of christ tangram:plasticine sidewalk:roadway preservatives:additives
explanation: "morning glory" is also called the "dawn flower". "christmas" is also known as "feast day of christ". there is no obvious logical relationship between "tangram" and "plasticine". a "sidewalk" and a "vehicle road" belong to the same category "additives"includes "preservatives".
relation: morning glory dawn flower R2.1
relation: christmas feast day of christ R2.1
relation: sidewalk roadway R2.4
relation: preservatives additives R2.2