(a) The rules of construction that apply in this state to the interpretation of and disposition of property by will also apply as appropriate to the interpretation of the terms of a trust and the disposition of the trust property. For the purposes of this section, RSA 551:10 is not a rule of construction. RSA 551:10 shall not apply to any trust.
(b) In interpreting or construing the terms of a trust, the settlor's intent shall be sovereign to the extent that the settlor's intent is lawful, not contrary to public policy, and possible to achieve.
(c) For the purposes of determining the benefit of the beneficiaries, the settlor's intent as expressed in the terms of the trust shall be paramount.