Vault seed record
Known hotel key article 3
In a travel situation, I left my key at reception. Can you bring me ___ key?
Classification
Provenance
Kind: human-authored
Source: reviewed-expansion-anchor-pack
Batch: reviewed-expansion-core-grammar-control-2026-05
Reviewer: content-lead
Updated: 2026-05-21
Instruction and answer
Instruction
Choose the best answer.
Correct answer
the
Explanation
Use the because both people already know which key is meant.
Product use
Surfaces
Source languages
Difficulty
medium
Conversion hook
Tiny articles reveal whether the user tracks shared context.
Review payload
Review notes
Approved seed anchor from the reviewed expansion pack. Used to close family coverage gaps before scaled promotion.
Media prompt
No media prompt attached.
Assets
Source traps
Tags
Usage
Tests: grammar-diagnostic, general-english-level, error-detection
Funnels: general-level-assessment
Challenges: grammar-anchor-25
{
"type": "single-choice",
"correctOptionId": "the",
"options": [
{
"id": "a",
"label": "a",
"rationale": "This distractor reflects a common learner mistake."
},
{
"id": "an",
"label": "an",
"rationale": "This distractor reflects a common learner mistake."
},
{
"id": "the",
"label": "the",
"rationale": "This is the defensible answer in the context."
},
{
"id": "no-article",
"label": "no article",
"rationale": "This distractor reflects a common learner mistake."
}
]
}