I think they mean it in respect of who handles the throttles during take off. You’re not expected to know specific Ryanair SOP’s so I guess it show you’re taught in your MCC
Some airlines have the pilot flying setting and holding the thrust levers until V1
Some airlines have the pilot flying setting the thrust and then the pilot monitoring holding them until V1
Some airlines have you holding hands setting the thrust
I guess any is fine as long as you brief your partner on the procedure you follow