Edward Arnold Publishers Ltd was a British publishing house with its head office in London. The firm had published books for over 100 years. It became part of the Hodder Education group in 2001. In 2012, Hodder Education sold its medical and higher education lines, including Arnold, to Taylor & Francis. Edward Arnold published books and journals for students, academics and professionals.
Can we infer the following?
Taylor & Francis did not sell the Arnold line

OPT:
--Yes
--It's impossible to say
--No
The answer is:
It's impossible to say