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_cevEDwxo):
How many times does the letter "s" appear in the text: "By Jules"? Respond with an integer.

Question 1 (Question id: q_Re94PQ):
Calculate ( -2 + 6 ).

Question 2 (Question id: q_JVtuwRZs):
Solve for o: 17*o - 2 = 15 Respond with an integer.



Output JSON where all question ids are keys, omitting q_JVtuwRZs.

For every question id, supply an object whose 'answer' field stores the solution.
If the response to a question is an integer that is even, also add the field 'half_answer' to the object which contains the answer integer divided by two.
For string answers, include 'first_char' with the answer’s initial letter.

Now provide the result JSON using the described format.

{"ground_truth": {"q_cevEDwxo": {"answer": 1}, "q_Re94PQ": {"answer": 4, "half_answer": 2}}}