The man at the helm was watching the <e1>luff</e1> of the <e2>sail</e2> and whistling away gently to himself, and that was the only sound excepting the swish of the sea.
The man at the
The man at the helm was watching the luff of the sail and whistling away gently to himself, and that was the only sound excepting the swish of the sea.
<triplet> luff <subject> sail <object> Component-Whole(e1,e2)