121 exclusion when someone goes in assisted living

Pub 523 seems to say that if someone sales their house because of going in an assisted living facility they actually can rent it for 4 years and sale it with the 121 exclusion.
Silly question because that is what it says but I thought I would ask if anyone has used that.

It’s also what sec. 121(d)(7) and Reg. 1.121-1(c)(2)(ii) say.

I think Section 121(d)(7) - and the IRS Pub, also - both say much more than just "one year is enough." Here's what I found in the Pub, tho I have never used it, not yet...

In addition, any time you spent living in a care facility (such as a nursing home) counts toward your residence requirement, so long as the facility has a license from a state or other political entity to care for people with your condition.

Follow-up on my just-prior post: How does the special rule for time spent in a qualified care facility reconcile with the definition of "period of nonqualified used" in IRC 121(b)(5)? Does the IRS Pub explain that...?