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_XuTY):
Your task is to count how many legs there are in total when given a list of animals.

Now, how many legs are there in total if you have 3 flatworms, 3 sea slugs, 1 wasp, 2 birds, 2 deers?
 Respond with an integer.

Question 1 (Question id: q_NCJizF):
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: "actions"

Question 2 (Question id: q_WC6lLOe):
Solve for k: 20*k - 2 = 398 Respond with an integer.



Create a JSON object keyed by every question id except q_NCJizF.

Each key’s value must be an object holding an 'answer' field.
For even integer answers, include 'half_answer' equal to answer ÷ 2.
For last-character tasks, provide 'original_string' alongside the answer.

Now provide the result JSON using the described format.

{"ground_truth": {"q_WC6lLOe": {"answer": 20, "half_answer": 10}, "q_XuTY": {"answer": 18, "half_answer": 9}}}