Select the most appropriate meaning of the given idiom. Herculean task

The most appropriate meaning of the idiom "Herculean task" is (3) A job that requires a large amount of physical strength.

The other options do not fit the meaning of the idiom.

• A job that requires a lot of talking and information can be a research project or a marketing campaign.
• A job that makes everyone feel proud can be a charitable donation or a volunteer effort.
• A job that only weak people are assigned is not a Herculean task.