Which is implied by the following partial use$-$case diagram $($choose all that apply$)$:

During payment operation, the passenger can choose a seat.

Payment can be completed without validating the card details

For the passenger to complete the ticket booking, he$/$she must select the seat.

Passenger can only check for the availability in a scenario

Passenger can validate Card DetailsWhich is implied by the following partial use$-$case diagram $($choose all that apply$)$:

During payment operation, the passenger can choose a seat.

Payment can be completed without validating the card details

For the passenger to complete the ticket booking, he$/$she must select the seat.

Passenger can only check for the availability in a scenario

Passenger can validate Card Details