Linq.Dynamic where condition

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LINQ

Hi,
I have been using System.Linq.Dynamic library. Is there a way to use Entities with one to many relationship. To be specific I have 3 classes

class A
{
  public int Id {get;set;}
  ...
  ...
  public Class2 class2 {get;set;}
  public List< Another > Bs{get;set;}
}
class Class2
{
   public int Id{get;set;}
}
class Another
{
   public int Id {get;set;}
}

I can filter when the relationship is one to one

public IQueryable< T > Select< T >(string condition,object value)
{
 var list=FindAll< T >();//return list of T from database
 var result=list.Where(string.Format("{0} = @0",condition),value);
}
result=Select< A >("class2.Id",1);

the above call gives me the list of A objects whose class2's id=1. how can i search if the relationship is one to many.. how do i filter list of A objects based on each object's first item of Bs ie Bs[0]. would it be possible to filter using Linq.Dynamic.