hard · LSAT Logical Reasoning

Which one of the following arguments is most similar in its pattern of reasoning to the argument above?

1. A map is trusted because it agrees with satellite data, while the satellite positions were calibrated with surveyed points not taken from the map.
2. A scale is checked against certified weights, and those weights were certified through a national standard maintained independently of the scale. Repeated agreement across the scale's range is then used to confirm the scale.
3. A translation is judged accurate because it matches a dictionary; the dictionary is then judged accurate because it matches independently recorded speech.
4. A thermometer is checked against a certified reference, and that reference was calibrated against an independent national standard. Agreement is then used to confirm the thermometer.
5. A fossil's age is supported by a guide layer dated from that fossil; the fossil is then said to be independently dated because it lies in the guide layer.

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