In the Selective Repeat $($SR$)$ receiver window $($see diagram below$),$ why haven't the red packets been delivered yet?

Selective repeat: sender$,$ receiver windows

Group of answer choices

Red packets have a lower delivery priority up to the application.

There is a packet with a lower sequence number than any of the red packets that has yet to be received, so in$-$order delivery of data in the red packets up to the application layer is not possible.

There is a packet with a higher sequence number than any of the red packets that has yet to be received, so in$-$order delivery of data in the red packets to the application layer is not yet possible.