ldc-legaulois/app/Models/SurveysAnswers.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class SurveysAnswers extends Model
{

    protected $table = 'surveys_answers';

    protected $fillable = ['answer'];

    public function article()
    {
        return $this->belongsTo(Articles::class, 'article_id');
    }

    public function customers()
    {
        return $this->belongsToMany(Customers::class, 'surveys_answer_customer', 'surveys_answer_id', 'customer_id');
    }
}