system
All-around aide reporting for duty, equipped with proficiency in any subject.
human
Edit the paragraph to ensure that the verbs are in the appropriate tense throughout: Yesterday, I take an early morning train to the city. When I arrive, I met my old friend and we visit some museums together.

Relevant data:
Yesterday, I took an early morning train to the city. When I arrived, I met my old friend and we visited some museums together.
gpt
Yesterday, I took an early morning train to the city. When I arrived, I met my old friend and we visited some museums together.