Final answer:
The details provided about the birthday party support the conclusion that Dr. Oliver Creekstone is an unconventional fellow.
Step-by-step explanation:
The details provided about the birthday party support the conclusion that Dr. Oliver Creekstone is an unconventional fellow. The passage describes his eccentricities, such as having zebras and monster trucks at his party, as well as his desire to make future parties even bigger and more interesting. There is no information provided to support the conclusions that Dr. Creekstone is a carnivorous eater or that the Creekstone estate is a half-acre lot lined with trees. It is also not mentioned whether the estate can hold seven more zebras.