{
"num_reports": {{ num_reports}}
{%- if cer_avg and wer_avg %}
    ,
    "cer_avg": {{ cer_avg|json_float }},
    "wer_avg": {{ wer_avg|json_float }}
{%- endif %}
{%- if diff_c and wer_avg %}
    ,
    "differences": {
        "character_level": {{ diff_c|tojson }},
        "word_level": {{ diff_w|tojson }}
    }
{%- endif %}
}