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_nt6VbUU):
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: "we"

Question 1 (Question id: q_t48VCt):
Solve for n: 36 - 13*n = -120 Respond with an integer.

Question 2 (Question id: q_UJAyiL8):
Calculate 7 * 1 - -8.

Question 3 (Question id: q_TonUZ0C):
Determine the value of r that satisfies: 14*r - 10 = 60 Respond with an integer.



Return a JSON with each question id as a key.

For every question id, supply an object whose 'answer' field stores the solution.
For even integers, nest 'half_answer' and 'double_answer' inside an additional 'additional_answer_info' field in the answer object.
For string answers, include 'first_char' with the answer’s initial letter.
If the question asks for the last character of a string, add an 'original_string' field containing the source string.

Now provide the result JSON using the described format.

{"ground_truth": {"q_nt6VbUU": {"answer": "e", "first_char": "e", "original_string": "we"}, "q_t48VCt": {"answer": 12, "additional_answer_info": {"half_answer": 6, "double_answer": 24}}, "q_UJAyiL8": {"answer": 15}, "q_TonUZ0C": {"answer": 5}}}