German phrase
Welche ~ soll ich?
Meaning
Which ___ should I take?
When to use it
Ask which one to choose. Use it when comparing travel options with someone.
Example dialogue
Welche Verbindung soll ich nehmen?
Which connection should I take?
Nimm den Zug um 10 Uhr, der ist schneller.
Take the train at 10; it's faster.