Which person is they referring to in the following sentence?
The graduate students spend every waking moment studying for their classes, but they still need to devote time to friends and family as well.

OPTIONS:
- The graduate students
- their classes
The graduate students
Vilken person syftar de på i följande mening? De forskarstuderande tillbringar varje vaken stund med att studera för sina klasser, men de behöver ändå ägna tid åt vänner och familj också. ALTERNATIV: - De doktorander - deras klasser
To which person do they refer in the following sentence? While students spend every waking moment studying for their classes, they still need to devote time to friends and family as well. ALTERNATIVE: - The PhD students - their classes
De forskarstuderande
The graduate students