The answer that would convey yearning would be longing. It wouldn't be melancholy pretty much means sad.
Longing ex: She was longing for one of her grandmother's hugs.
either roger or vincer ARE filling in for daniel. would be the proper verb for this question
The development, the happening, the incident, the occurrence, the situation. The affair, the encounter, the meeting, the moment. the episode, the problem and solution. Others have mentioned these or their ilk: the chapter, the passage, the story, the period, the attack, the bout, the installment, the phase.
What did you write?
Kind of a hard question and slightly confusing to answer