Task: Question Answering
Input (English): LiLi should have the following capabilities: 
 Question: What are the components of the general knowledge learning engine?
Output (English): Answer with content missing: (list)
LiLi should have the following capabilities:
1. to formulate an inference strategy for a given query that embeds processing and interactive actions.
2. to learn interaction behaviors (deciding what to ask and when to ask the user).
3. to leverage the acquired knowledge in the current and future inference process.
4. to perform 1, 2 and 3 in a lifelong manner for continuous knowledge learning.