Assertion: railroad's line | /r/HasProperty | identifiable
Facets:
value: according to former astronaut andy thomas
type: OTHER
value: from space
type: LOCATION
value: because of its unnatural straightness
type: CAUSE
Source sentences:
text: According to former astronaut Andy Thomas, the line is identifiable from space because of its unnatural straightness: "It's a very fine line, it's like someone has drawn a very fine pencil line across the desert".