Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to deal with bedbugs [title] Learn how to kill bedbugs. [step] Use rubbing alcohol or water and detergent applied from a good, big spray bottle. The spray bottles from home improvement and department stores are adequate.

Ending1: If you really want to spray a new bedbug, invest in a wide assortment of repellents that will repel bedbugs. [title] Purchase a particular insect insect repellent : [step] There are a number of insect repellent brands available in your area that you can use on bedbugs. Ending2: It's not necessary to use a fresh microfiber cloth this time as you won't dry sticky or powdery dust away quickly. The chemicals that kills bedbugs aren't necessarily formulated to destroy bedbugs-they work as spores and are found in moisture-soaked carpeting. Ending3: These tests are often inconclusive because there is no evidence of how to fully eradicate bedbugs from the house. Instead, look for any confused behavior or inability to act normally. Ending4: A better buy would be to use used and higher quality spray bottles for laundry pre-treatment, glass cleaners, car interior cleaners etc. [substeps] Alcohol-buy several large bottles of 70% rubbing alcohol and mix them with water at no less than 50% strength.

Answer format: ending1/ending2/ending3/ending4