Find the sentence which does not fit in to the context of the other sentences.
He decided to pack his new tent. He chose the lightest sleeping bag available. He packed his hiking boots. He selected a lunchbox. He ordered a new book.
He ordered a new book.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the sentence which does not fit in to the context of the other sentences.

### Input:
He decided to pack his new tent. He chose the lightest sleeping bag available. He packed his hiking boots. He selected a lunchbox. He ordered a new book.

### Output:
He ordered a new book.