A (a 28 year old man) and B (a 27 year old woman) were in a romantic relationship and were living together. After being in a relationship for nearly three years, A asked B whether they could have sexual intercourse. B said that she would consent to sexual intercourse only if A agreed to marry her. A promised to marry B, and thereafter they had sexual intercourse multiple times over the next three years. Subsequently, B discovered that A was not being faithful to her and was in a relationship with another woman. She broke off the relationship, and sought to initiate criminal proceedings against A. Which of the following offences can A be prosecuted for?