For two major roads with divided carriageway crossing at right angle, a full clover leaf interchange with four indirect ramps is provided. Following statements are made on turning movement of vehicles to all directions from both roads. Identify the $\textit{correct}$ statement

1. Merging from left is possible, but diverging to left is not possible
2. Both merging from left and diverging to left are possible
3. Merging from left is not possible, but diverging to left is possible
4. Neither merging from left nor diverging to left is possible

Answer: