Query Allergy intolerance

intolerance.cs

 using Hl7.Fhir.Model;
    internal class Program
    {
        private static void Main(string[] args)
        {
            var client = new Hl7.Fhir.Rest.FhirClient("http://52.72.172.54:8080/fhir/baseDstu2/");
            var result = client.Read<Patient>("Patient/Patient-19454");
            var allergyResult = client.Read<AllergyIntolerance>("AllergyIntolerance/AllergyIntolerance-19454");
        }
    }