Read the following text and answer the question.

Source: tesolplanner.com
This is a picture of Tashi. He is from Tibet. Right now, he is sitting (1) in the river and pouring (2) water onto the bowl to clean it. The water is splashing (3) off the bowl into the air. Washing the dishes is becoming (4) Tashi’s daily chore.
Based on your understanding, which sentence shouldn't be written using the present continuous tense?