0.3 themink VALID A Fantasy Rule having less than sixteen words earns its poster one mango.

I judge this FR to be VALID.

It is consistent with itself, since it makes no restrictions, and is consistent with other FRs in the same respect.

It is consistent with FR0.2, as it consists of one sentence.

It is consistent with FR0.1, as it has each of a, f, r, h, l, t, s, w, e, i, p, o, and m once.

It is consistent with the RRs. It's possibly arguable that RR1 means that FR0.3 fails to create mangoes, but - since mangoes currently have no defined effect - that is of no consequence initially, and doesn't affect its validity anyway.