Which choice completes the text so that it conforms to the convention…

Source Texts

Text

Researchers studying how agricultural fertilizers impact grassland arthropod populations have employed several collection methods. A team led by researcher Maria K. Hartley collected arthropods with another research team, led by Kimberly J. La Pierre, gathered them with bug vacuums.

Which choice completes the text so that it conforms to the conventions of Standard English?

sweep nets, for instance;

sweep nets; for instance,

sweep nets for instance

sweep nets, for instance,