Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to separate stuck glasses [title] Understand how glass responds to heat. [step] Most commonly, glasses get stuck together when they are stacked immediately after they are washed. Glass expands when heated, and contracts as it cools, and this is sufficient to stick glasses together in some cases.

Ending1: [title] Look for off-the-shelf glass cleaners. [step] Cleaning glass surfaces after use can be all about shine. Ending2: Never fear: you can use this to separate the glasses. You will need to cool the inner glass and heat the outer glass in order to free them from each other. Ending3: You may be able to separate clips or strips with this one if your glasses are old or losing their shape due to constant scraping and rubbing during storage. Some glasses may separate by friction between each other and they may end up stuck together. Ending4: However, some people find it useful to disassemble and reassemble glasses before using them. If this is the case for you, though, you will still want to clean this case for ease of access while you are using it.

Answer format: ending1/ending2/ending3/ending4