Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to choose high quality emeralds [title] Look for keywords that indicate origin. [step] " created, " " lab created, " " laboratory grown " or " simulated " are keywords that indicate the emerald is synthetic, not natural. " chatham " emeralds are also man-made.

Ending1: [substeps] Search for examples of " made " emeralds. " created " emeralds are shiny, natural, and free of blemishes. Ending2: [substeps] Instead of saying " sourced " or " invented ", avoid using " produced " as these words. Instead, call the emeralds " produced " or " invented ", " produced " and " manufactured ". Ending3: Be wary of the way a seller uses the word " genuine. " created emeralds are indeed genuine synthetic emeralds, not genuine natural emeralds. Ending4: A term like " produced " suggests genuine emeralds, and " made " means the emeralds were manufactured. Buying property with authenticity is the first step, but you need to be very certain with a quality emeralds.

Answer format: ending1/ending2/ending3/ending4