private static void Main()
{
var output = new StringBuilder();
int testCount = FastIO.ReadNonNegativeInt();
for (int t = 0; t < testCount; ++t)
{
int cityCount = FastIO.ReadNonNegativeInt();
var cityIndices = new Dictionary <string, int>(cityCount);
var cityGraph = new List <KeyValuePair <int, int> > [cityCount];
for (int c = 0; c < cityCount; ++c)
{
cityIndices.Add(FastIO.ReadString(), c);
cityGraph[c] = new List <KeyValuePair <int, int> >();
int neighborCount = FastIO.ReadNonNegativeInt();
for (int n = 0; n < neighborCount; ++n)
{
int neighborIndex = FastIO.ReadNonNegativeInt() - 1;
int connectionCost = FastIO.ReadNonNegativeInt();
cityGraph[c].Add(new KeyValuePair <int, int>(neighborIndex, connectionCost));
}
}
int pathCount = FastIO.ReadNonNegativeInt();
for (int p = 0; p < pathCount; ++p)
{
int sourceCity = cityIndices[FastIO.ReadString()];
int destinationCity = cityIndices[FastIO.ReadString()];
output.Append(
SHPATH.Solve(cityGraph, sourceCity, destinationCity));
output.AppendLine();
}
}
Console.Write(output);
}