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_cG4ht7):
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: "people"

Question 1 (Question id: q_kd1jH):
Find the value of a in the equation: 20*a - 15 = 225 Respond with an integer.

Question 2 (Question id: q_7g537Fhu):
How many times does the letter "o" appear in the text: "work b"? Respond with an integer.

Question 3 (Question id: q_Xsid9J):
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 2 spiders, 3 shrimps, 3 woodlouses, 2 lobsters, 3 praying mantiss?
 Respond with an integer.

Question 4 (Question id: q_EHfGV):
Solve for k: 27*k - 10 = 314 Respond with an integer.



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

The value for each key should be an object that contains the answer in the field 'answer'. If a question involves animal-leg or letter counting, include 'task_type' set to 'leg_counting' or 'letter_counting'.
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_cG4ht7": {"answer": "e"}, "q_kd1jH": {"answer": 12, "additional_answer_info": {"half_answer": 6, "double_answer": 24}}, "q_7g537Fhu": {"answer": 1, "task_type": "letter_counting"}, "q_Xsid9J": {"answer": 126, "task_type": "leg_counting", "additional_answer_info": {"half_answer": 63, "double_answer": 252}}, "q_EHfGV": {"answer": 12, "additional_answer_info": {"half_answer": 6, "double_answer": 24}}}}