743. Questions of law and fact.

If the representation is contained in a document, or if, when orally made, its terms are admitted or proved, and there are no surrounding circumstances of such a nature as to suggest an artificial or special meaning, or the possibility of several meanings, the question of what sense should be attributed to it is a question of law to this extent, that it is for the court to say whether it is capable of the meaning alleged, or, on the other hand, whether it admits of any interpretation other than that alleged