Watch the video clip once and tick three of the following items which were NOT mentioned as the signs of an imminent tsunami.
A.
1. The sea acts strangely.
B.
2. Elephants start running toward higher ground.
C.
3. Shellfish and fish surface for air.
D.
4. Dolphins swim for deeper water.
E.
5. Cicadas suddenly become silent.
F.
6. Elephants trumpet and start stampede.
G.
7. The cicadas become annoyingly noisy.