using System;
using opennlp.tools.sentdetect;

namespace Bug
{
    public class Program
    {
        public static void Main(string[] args)
        {
            // get en-sent.bin from OpenNLP
            using var modelIn = new java.io.FileInputStream("en-sent.bin");

            var model = new SentenceModel(modelIn);
            var sentenceDetector = new SentenceDetectorME(model);

            var sentences = sentenceDetector.sentDetect("  First sentence. Second sentence. ");
            Console.WriteLine(string.Join(";", sentences));
        }
    }
}