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_gk2Cae):
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: "to"

Question 1 (Question id: q_Ra5h):
How many times does the letter "s" appear in the text: "of burdens"? Respond with an integer.

Question 2 (Question id: q_oBqpDHIg):
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: "to"



Return a JSON with each question id as a key.

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.
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.

Beyond the question-id fields, add a 'global_metadata' object with summary information:
• num_questions_asked – total number of questions originally shown.

Now provide the result JSON using the described format.

{"ground_truth": {"q_gk2Cae": {"answer": "o", "first_char": "o", "original_string": "to"}, "q_Ra5h": {"answer": 1}, "q_oBqpDHIg": {"answer": "o", "first_char": "o", "original_string": "to"}, "global_metadata": {"num_questions_asked": 3}}}