The court identifies the main purpose of the contract:
Every instrument in writing is to be interpreted, with a view to the material circumstances of the parties at the time of the execution, in the light of the pertinent facts within their knowledge and in such manner as to give effect to the main end designed to be accomplished. * * * [The] instrument is to be so construed as to give effect to the intent of the * * * [parties] as manifested by the words used illumined by all the attendant factors, unless inconsistent with some positive rule of law or repugnant to other terms of the instrument . . . Examining the instrument before us, guided by the settled rule of interpretation set forth above, it is manifest that the main purpose of the parents of Richard was to arrive at an agreement for his maintenance and education . . . in so far as Richard was concerned his maintenance and education were the main purposes sought to be accomplished by the trust agreement.
To summarixe, the court takes the main purpose of the contract to be to provide for Richard's support and education.