Biology homework help with DNA gel electrophoresis

The following gel contains the following DNA samples from left to right:

Which of the following conclusion can be made from the result?

The DNA was not properly digested by the restriction enzyme in lanes 2-5.

Suspect 3 is guilty because his/her DNA has the closest match to the standard.

Suspects 1 and 3 are relatives.

Suspect 2’s blood is found at the crime scene.

This gel is showing that all lanes match.

which one ?