Assertion: perry's foot | /r/HasProperty | 305 meters
Facets:
Source sentences:
text: Wright Brothers Fact 51: The Wright Brothers Model B is introduced and becomes their most successful commercial aircraft and is modified as the Model EX Wright Brothers Fact 52: The Model EX had a 35 horsepower engine with a speed of 50 miles per hour (80 km/hr) flying at 1000 feet (305 meters).