question: laborer:farmer
choices.label: A B C D
choices.text: hare:grass animal:vertebrate reptiles:mammals insects:fish
explanation: a "farmer" is a kind of "laborer". the food of the "hare" is "grass". a "vertebrate" is an "animal". vertebrates include "reptiles" and "mammals". "mammal" is not a "reptile". animal groups include "insects" and "fish", and "fish" is not a type of "insect".
relation: laborer farmer R2.2
relation: hare grass R3.10
relation: animal vertebrate R2.2
relation: reptiles mammals R2.4
relation: insects fish R2.4