abdul

 if(person == "Alice"){
    if(hasEdge(0,1)==true)
    {
        a.add("Oscar");
    }
  }

  if(person == "Oscar"){
    if(hasEdge(1,0)==true || hasEdge(1,8)==true)
    {
        a.add("Alice");
        a.add("Eve");
    }
  }

  if(person == "Grace"){
    if(hasEdge(2,1)==true )
    {
        a.add("Alice");
    }
  }

  if(person == "Bob"){
    if(hasEdge(3,8)==true)
    {
        a.add("Eve");
    }
  }

  if(person == "Peggy"){
    if(hasEdge(4,9)==true || hasEdge(4,3)==true)
    {
        a.add("Frank");
        a.add("Bob");
    }
  }

  if(person == "Trudy"){
    if(hasEdge(5,6)==true || hasEdge(5,7)==true)
    {
        a.add("Carol");
        a.add("Victor");
    }
  }

  if(person == "Carol"){
    if(hasEdge(6,5)==true || hasEdge(6,1)==true || hasEdge(6,2)==true)
    {
        a.add("Trudy");
        a.add("Oscar");
        a.add("Grace");
    }
  }

  if(person == "Victor"){
    if(hasEdge(7,4)==true)
    {
        a.add("Peggy");
    }
  }

  if(person == "Eve"){
    if(hasEdge(8,3)==true||hasEdge(8,4)==true)
    {
        a.add("Peggy");
        a.add("Bob");
    }
  }

  if(person == "Frank"){
    if(hasEdge(9,4)==true || hasEdge(9,7)==true|| hasEdge(9,8)==true)
    {
        a.add("Peggy");
        a.add("Victor");
        a.add("Eve");
    }
  }
  return a;