Define the term settlor as it pertains to a trust. $(1$ mark$)$ List $2$ responsibilities of the trustee of a trust. $(2$ marks$)$ What is the primary difference between an intervivos and testamentary trust? $(2$ marks$)$ Briefly explain what the $21-$year deemed disposition rule is and provide $2$ examples of the types of trusts that are exempt form the $21-$year deemed disposition rule. $(2$ marks$)$ Describe a situation whereby a Henson Trust is applicable. $(4$ marks$)$