12. A method of chatting with virtual pet, applied to a device comprising a processor coupled to a memory storing instructions for execution by the processor, the method comprising: receiving, in the device, a sentence in natural language and an ID of a pet owner; processing, in the device, the sentence through natural language comprehension, obtaining language characteristics of the pet owner from a pet owner language information base according to the ID of the pet owner, and generating an answer in natural language based on reasoning knowledge, a result of natural language comprehension , and the language characteristics of the pet owner; wherein the language characteristics of the pet owner include language tips and expression manners.
12. A method of chatting with virtual pet, applied to a device comprising a processor coupled to a memory storing instructions for execution by the processor, the method comprising: receiving, in the device, a sentence in natural language and an ID of a pet owner; processing, in the device, the sentence through natural language comprehension, obtaining language characteristics of the pet owner from a pet owner language information base according to the ID of the pet owner, and generating an answer in natural language based on reasoning knowledge, a result of natural language comprehension , and the language characteristics of the pet owner; wherein the language characteristics of the pet owner include language tips and expression manners. 18. The method of claim 12 , wherein processing the sentence in natural language through natural language comprehension comprises: performing at least one of: word separation, question trunk extraction, question type judgment and topic judgment.