Five sentences related to a topic are given below. Four of them can be put together to form a meaningful paragraph. Select the odd one.

1. Single-use plastics have become a global environmental issue.

2. Reusable shopping bags are an effective alternative to plastic bags.

3. Paper straws replacing plastic ones are another step towards reducing waste.

4. Leonardo da Vinci painted the Mona Lisa in the 16th century.

5. Many shops and restaurants are now opting for eco-friendly packaging and utensils.