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_CnN7ZM):
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: "computer"

Question 1 (Question id: q_oluajl):
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 4 butterflys, 2 cockroachs, 3 starfishs, 3 sea slugs, 3 woodlouses?
 Respond with an integer.

Question 2 (Question id: q_eUjy9Lz):
Calculate 8 * 5.



Return a JSON with each question id as a key.

For every question id, supply an object whose 'answer' field stores the solution. If a question involves animal-leg or letter counting, include 'task_type' set to 'leg_counting' or 'letter_counting'.
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_CnN7ZM": {"answer": "r", "original_string": "computer"}, "q_oluajl": {"answer": 93, "task_type": "leg_counting"}, "q_eUjy9Lz": {"answer": 40, "half_answer": 20}}}