Classify each sentences for sentement as JSON.  Each sentence to
classify is newline separated.  The categories for senteiment are:

"+" for positive,
"-" for negative,
"n" for neutral.

Each entry in the output JSON has the format:

{% raw %}[{"index": {{0-index of the sentence}}, "sentence": {{sentence}}, "label": {{sentiment}}}]{% endraw %}

Do not include the introduction or summary.  The sentences to classify are
below the dashed line.
----------------------------------------
{{request.instruction}}
