Illustration 7:The illustration is a map of the Nagoya City subway lines. Different colors represent different railway lines. The names of the railway lines are marked in the upper right corner. The white circles with letters and numbers represent each station. If the two circles are together, it indicates that the station where two railway lines cross. “original version of Figure 7” can be enlarged. Please refer to the two versions of Figure 7 to answer the question.There is a bright blue circle in the picture. If you get to “荒畑” station from “平安通” station, what are the transfer methods?(multiple-choice question. 3 marks)