I think it would be 3-anagnorisis because he discovered that he unknowingly killed the King/his biological father (who in the myth knew he would be killed by his son while the son married his mother) and swore before that, that if he ever found the murderer of the late king, he would stab out their eyes. The queen, when she discovered it, was overwhelmed by grief and suicides in the myth<span />
If we classify animals on the basis of where they live, it will not be correct because all of them are really different from each other. So, for a broad classification of animals, biological classification is important. Hope this helps. ✌️
The shape of the poem helps better understand the meaning of the poem.
Care to clarify because you have not given me anything but that to answer your question. We are not psychics!