Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to buy lawn sprinklers [title] Purchase stationary sprinklers if you have a small lawn to water. [step] Stationary sprinklers are placed in position and water is released through several tiny holes in the head of the sprinkler. [substeps] Stationary sprinklers are inexpensive to purchase.

Ending1: There are many different types of automated sprinklers and do not require a major plan. [title] Choose the type of sprinkler you want. Ending2: The water pressure with these sprinklers is lower than other types. This is what makes them suitable for smaller lawns. Ending3: Check your local home improvement store or online for certified stationary sprinklers. [title] Have your students fill a petri dish with water. Ending4: Indoor sprinklers are placed in these locations the whole time they're being kept on, and will be used when attempting to water a lawn. There are also lower cost sprinklers that look like household sprinklers.

Answer format: ending1/ending2/ending3/ending4