Raw data

using System;
using System.Numerics;
using System.Linq;
using System.Collections.Generic;

namespace M4.RawData
{
    public class Car
    {
        public Car(string model, Engine engine, Cargo cargo)
        {
            this.Model = model;
            this.Engine = engine;
            this.Cargo = cargo;

        }
        public string Model { get; set; }
        public Engine Engine { get; set; }
        public Cargo Cargo { get; set; }
    }
    public class Engine
    {
        public Engine(int enginePower, int engineSpeed)
        {
            this.EngineSpeed = engineSpeed;
            this.EnginePower = enginePower;
        }
        public int EngineSpeed { get; set; }
        public int EnginePower { get; set; }
    }
    public class Cargo
    {
        public Cargo(int cargoWeight, string cargoType)
        {
            this.CargoWeight = cargoWeight;
            this.CargoType = cargoType;
        }
        public int CargoWeight { get; set; }
        public string CargoType { get; set; }
    }
    internal class Program
    {
        static void Main(string[] args)
        {
            int numberOfCars = int.Parse(Console.ReadLine());

            List<Car> carsList = new List<Car>();

            for (int i = 0; i < numberOfCars; i++)
            {
                string[] carInfo = Console.ReadLine()
                    .Split(' ',StringSplitOptions.RemoveEmptyEntries)
                    .ToArray();
                string model = carInfo[0];
                int engineSpeed = int.Parse(carInfo[1]);
                int enginePower = int.Parse(carInfo[2]);
                int cargoWeight = int.Parse(carInfo[3]);
                string cargoType = carInfo[4];
                Car car = new Car(model, new Engine (engineSpeed, enginePower), new Cargo (cargoWeight, cargoType));
                carsList.Add(car);
            }

            string command = Console.ReadLine();

            switch (command)
            {
                case "fragile":
                    carsList.Where(x => x.Cargo.CargoType == "fragile")
                        .Where(x => x.Cargo.CargoWeight < 1000)
                        .Select(x => x.Model)
                        .ToList()
                        .ForEach(c => Console.WriteLine(c));
                    break;
                case "flamable":
                    carsList.Where(x => x.Cargo.CargoType == "flamable")
                        .Where (x => x.Engine.EnginePower > 250)
                        .Select (x => x.Model)
                        .ToList()
                        .ForEach(g => Console.WriteLine(g));
                    break;
            }
        }
    }
}