Question: Which of the following, Olive or Ceraria, is known by the botanical name Olea europaea?

Context paragraphs:
Olea paniculata: Olea paniculata, commonly known as the native olive, is a plant of the genus "Olea" and a relative of the olive.  It grows natively in Pakistan and southwestern China (Yunnan) through tropical Asia to Australia (Queensland and New South Wales) and the Pacific islands of New Caledonia, Vanuatu and Lord Howe Island.

Olea europaea subsp. cuspidata: Olea europaea" subsp.  "cuspidata is a subspecies of olive previously described as "Olea cuspidata" and "Olea africana".  It has various common names, including wild olive, brown olive, Indian olive, Olienhout and iron tree.

Patrinia olive: Patrinia olive (Olea europaea var.  microphylla) is a Greek variety of olive tree grown primarily in Aigialeia, Greece.  The olive fruit is used exclusively for oil production and it has a high oil concentration of around 25%.  The number of the cultivated Patrinia trees is no more than 6 million and it makes up 4% of the Greek olive trees (140 million).

Chryseobacterium oleae: Chryseobacterium oleae is a bacterium from the genus of Chryseobacterium which has been isolated from the rhizosphere of the olive tree Olea europaea in Seville in Spain.  "Chryseobacterium oleae" can promote the plant growth.

List of olive cultivars: There are hundreds of cultivars of the olive ("Olea europaea").  As one of the oldest and more important domesticated crops raised by humans, the olive tree has diverged naturally and with the assistance of man into many varieties.  Olive cultivars are first and foremost divided into their location of origin; most names for cultivars come from place names.  Secondarily, olives may be preferred for olive oil production or for eating as table olives, though many cultivars are dual-purpose.

Olive grove (disambiguation): An olive grove is a small group of "Olea europaea" trees.

Olive: The olive, known by the botanical name Olea europaea, meaning "European olive", is a species of small tree in the family Oleaceae, found in the Mediterranean Basin from Portugal to the Levant, the Arabian Peninsula, and southern Asia as far east as China, as well as the Canary Islands and Réunion.  The species is cultivated in many places and considered naturalized in all the countries of the Mediterranean coast, as well as in Argentina, Saudi Arabia, Java, Norfolk Island, California, and Bermuda.

Olive leaf: Olive leaf is the leaf of the olive tree ("Olea europaea").  Although olive oil is well known for its flavor and possible health benefits, the leaf and its extracts remain under preliminary research with unknown effects on human health.

Ceraria: Ceraria is a genus of succulent shrubs, native to South Africa and Namibia.

Olive oil: Olive oil is a liquid fat obtained from olives (the fruit of "Olea europaea"; family Oleaceae), a traditional tree crop of the Mediterranean Basin.  The oil is produced by pressing whole olives.  It is commonly used in cooking, whether for frying or as a salad dressing.  It is also used in cosmetics, pharmaceuticals, and soaps, and as a fuel for traditional oil lamps, and has additional uses in some religions.  There is limited evidence of its possible health benefits.  The olive is one of three core food plants in Mediterranean cuisine; the other two are wheat and grapes.

Supporting paragraphs: Olive Ceraria
Answer: olive