Complex sentence: These drill samples were named John Klein and Cumberland and were respectfully the second and third drilling samples Curiosity retrieved from the martian regolith, the first being an eolian deposit, named Rocknest, sampled from an area 60 meters to the west of the Yellowknife bay.
Split into simpler sentences: These drill samples were named John Klein and Cumberland and were respectfully the second and third drilling samples Curiosity retrieved from the martian regolith. The first being an eolian deposit, named Rocknest, sampled from an area 60 meters to the west of the Yellowknife bay.