Given the input, generate a sentence starting with the words "She thought to herself".
She had to make an important decision.
She thought to herself, "This is a tough choice, but I need to weigh the pros and cons and make the best decision possible."
Complete the following task based on the instruction and optional input provided.### Instruction:
Given the input, generate a sentence starting with the words "She thought to herself".

### Input:
She had to make an important decision.

### Output:
She thought to herself, "This is a tough choice, but I need to weigh the pros and cons and make the best decision possible."