Assertion: pigeon's nest | /r/HasProperty | built above 4.0 m
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Source sentences:
text: Nests were built between 2.0 and 20.1 m (6.6 and 65.9 ft) above the ground, though typically above 4.0 m (13.1 ft), and were made of 70 to 110 twigs woven together to create a loose, shallow bowl through which the egg could easily be seen.