Five county towns A. B, C, D, and E all carry out skill-based village construction activities. Which of the following arrangements are made within a certain period of time: (1) Only C and D towns and townships carry out this activity, A or B two This activity is only carried out in the township; (2) If the activity is carried out in the township C, then both E and A must carry out the activity; (3) If the activity is carried out in the township E, the activity is not carried out in the township A; (4) E township did not carry out the activity. From this. ['A. B. Both townships carry out this activity.', 'Neither B. A. B.', 'A township carried out the activity, B township did not carry out the activity.', 'A township did not carry out the activity, B township carried out the activity.']