    Sentence Ll: In what country was  a. full-scale: working railway.  steam locomotive first invented?  Sentence 2: Trevithick* ‘visited:  ‘the: Newcastle’ area later-:in  1804 ‘and: the ‘colliery’ railways:  ‘in north-east: England ‘became  the: leading *,:-centre.” .for.  experimentation... and,  development .*\. of °:. ‘steam  ‘locomotives. PY Pant      