Here is a set of basic questions producing integer or string outputs. Answer them and format the result precisely with the JSON instructions provided:

Question 0 (Question id: q_2KVlItY):
Your job is to return the last character of a string as a string. For example, the last char of "hello" is "o". Return the last character of the following string: "another"

Question 1 (Question id: q_DyZc):
Calculate -3 * 1 * -8.



Your output must be a JSON mapping every question id to its answer info.

Each key’s value must be an object holding an 'answer' field.
For even integers, nest 'half_answer' and 'double_answer' inside an additional 'additional_answer_info' field in the answer object.

Now provide the result JSON using the described format.

{"ground_truth": {"q_2KVlItY": {"answer": "r"}, "q_DyZc": {"answer": 24, "additional_answer_info": {"half_answer": 12, "double_answer": 48}}}}