Determine the main idea of the sentence, output the main idea.
Electronic books often have more interactive capabilities than physical books.
The main idea of this sentence is that electronic books have more interactive features than physical books.
Complete the following task based on the instruction and optional input provided.### Instruction:
Determine the main idea of the sentence, output the main idea.

### Input:
Electronic books often have more interactive capabilities than physical books.

### Output:
The main idea of this sentence is that electronic books have more interactive features than physical books.