Task: Question Answering
Input (English): Context: In Greek mythology and, later, Roman mythology, the Oceanids are sea nymphs who were the three thousand daughters of the Titans Oceanus and Tethys. Each was the patroness of a particular spring, river, sea, lake, pond, pasture, flower or cloud. Some of them, such as Clymene, Asia, and Electra, were closely associated with the Titan gods or personified abstract concepts (Tyche, Peitho)., In Greek mythology, Peitho is the goddess who personifies persuasion and seduction. Her Roman name is Suadela or Suada., Tyche (from , meaning "luck"; Roman equivalent: Fortuna) was the presiding tutelary deity that governed the fortune and prosperity of a city, its destiny. She is the daughter of Aphrodite and Zeus or Hermes., Pleione ( / pla.ni / ; from the Greek  or  ) was an Oceanid nymph in Greek mythology . She lived in a southern region of Greece called Arcadia , on a mountain named Mount Kyllini . She married the Titan Atlas and gave birth to the Hyades , Hyas and the Pleiades . She was also the protectress of sailing . Her grandson was the god Hermes and the demigod Iasion was her great - grandson ., Subject: pleione , Relation: mother, Options: (A) aphrodite (B) peitho (C) tethys
Output (English): tethys