In which of the following cases did the court decide that in trying to ascertain whether a statement is a term or not the relative knowledge of the parties is a relevant consideration?

a). Hopkins v Tanqueray (1854) 15CB 130.

b). Pym v Campbell (1856) 6 & B 370.

c). Oscar Chess v Williams [1957] 1 ALL ER 325.

d). All of the answers provided.

Thanks for answering!