37. A contract must be for a legal purpose - TF 38. Capacity in a contract refers to a personal mental state or age - TF 39. A summons may be served upon a defendant by anyone regardless of their age-T E 40. A contract for an illegal purpose is generally enforceable-TF 41. An express contract may be oral or written - TF 42. Most contracts are unilateral contracts - TE 43. An executory contract is one that has been performed and completed - T F 44. An offer in a contract can be very general and not very specific-TF 45. Accepting an offer in a contract must only be done by email - T F 46. Remaining silent to an offer means you have accepted the offer - TF