Vault seed record
Second mention article
I saw a dog outside the cafe. ___ dog was wearing a tiny red jacket.
Classification
Provenance
Kind: human-authored
Source: core-grammar-anchor-pack
Batch: core-grammar-001
Reviewer: content-lead
Updated: 2026-05-20
Instruction and answer
Instruction
Choose the article that matches the context.
Correct answer
The
Explanation
First mention: 'a dog.' Second mention: 'the dog.' This is how English keeps the listener pointed at the same thing.
Product use
Surfaces
Source languages
Difficulty
low
Conversion hook
The red jacket detail makes the grammar rule feel like a visual story.
Review payload
Review notes
Classic first-mention/second-mention article diagnostic.
Media prompt
No media prompt attached.
Assets
Source traps
Tags
Usage
Tests: articles, grammar-diagnostic, general-english-level
Funnels: ru-translated-english, es-translated-english
Challenges: dog-second-mention
{
"type": "single-choice",
"correctOptionId": "the",
"options": [
{
"id": "the",
"label": "The",
"rationale": "The dog is already introduced in the first sentence."
},
{
"id": "a",
"label": "A",
"rationale": "A would introduce a new, different dog."
},
{
"id": "none",
"label": "No article",
"rationale": "Dog is singular and countable, so it needs an article."
},
{
"id": "some",
"label": "Some",
"rationale": "Some does not work with one specific dog."
}
]
}