I am sorry the subject is incorrect but
I can not correct it.

The correct subject is Я попил чаю и смотрел телевизор.

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Я попил чаю и смотрел телевизор.

Which of the following are possible as the interpretation of the above sentence?
1) I drank tea then watched TV.
2) I watched TV then I drank tea.
2) I drank tea and watched TV during the same period.
3) While I was watching TV, I drank tea. ( The time I spent on drinking is shorter than the time I spent on watching TV.)

If there are other possibilities, please explain.

Thank you