= Object
{disambiguate=grammar}
An <object (grammar)> is a grammatical relation assigned to certain complements of a <verb>. In a typical active construction it identifies a core participant other than the <subject (grammar)>, often an entity affected by the event. This is a grammatical classification rather than a requirement that the referent be a physical object.<Universal Dependencies annotation guidelines>[obj, Definition, core argument and relation to other object categories]{ref}
In `Mira opened the gate`, `the gate` is an <object (grammar)>. In `The gate was opened by Mira`, the same participant is instead the <subject (grammar)> of a <passive voice> construction. The event can remain closely related while the grammatical relationships change.
An explicit annotation scheme also needs boundaries among complements. <Universal Dependencies> distinguishes `obj` from `iobj` and from other dependent relations; a traditional label “object” does not automatically determine the appropriate code. This makes <syntactic dependency> criteria part of the analysis needed to compare annotated <text corpus> resources.
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