Which sentence is punctuated correctly?

Which sentence contains a gerund? sally is fishing on the lake with her father and brothers.marcus is supposed to be joining the discussion later today.my cat was not interested in the dangling string.her chorus director does not appreciate angela's fidgeting.

Hamlet act 1 what task does king claudius give to cornelius and voltemand?

What word or phrase is modified by the prepositional phrase in the sentence below? marisol's puppy likes napping under the couch because it is warm and cozy