YOU ASK
I asked AI to extract rent, term and rent-free months from a lease summary. It returned zero rent-free months. Can I put that into the model?
propfessor.Companion exampleThe short answer
Not on the strength of this excerpt. It supports the annual rent and term, but it does not state the rent-free period. Record that field as “not stated in the supplied excerpt” and check the relevant lease material before using a number. An empty source field is not evidence of zero.
SOURCE EXCERPT
“Annual rent: £180,000.
Lease term: five years.”
Annual rent£180,000Stated
Lease termFive yearsStated
Rent-free monthsNot statedNeeds checking
A source gap needs checking. Never silently fill it with zero.
Work through it
- Require each extracted value to carry a supporting excerpt or a clear “not stated” flag.
- Keep directly stated facts separate from derived figures and unresolved fields.
- Review the relevant source material and resolve the gap with the responsible person before using the assumption. A citation still needs checking against its source.
| Requested field | Supported output | Status |
|---|---|---|
| Annual rent | £180,000 | Stated |
| Lease term | Five years | Stated |
| Rent-free months | Not stated in supplied excerpt | Needs checking |
A fictional extraction exercise, not a lease interpretation or a claim about a particular AI provider.
WHAT YOU CAN DO NOW
You can prevent an unsupported AI answer from silently becoming a model assumption.
Does asking for citations solve this?
It improves traceability, but does not guarantee correctness. Open the cited material and confirm that it supports the field and the value being used.
Authored follow-up · No question credit used