(Diagram and explanation below)
I reproduced the diagram above. For this question, two professors are hired in 1992. P is the only professor left to place, so now they have to go in 1992 with S.
This lets us conclude that P doesn’t share a specialty with R, S or M.
A could be true and is therefore CORRECT. Neither O nor T are beside P if P is in 1992.
B must be false. P is beside M.
C must be false. P was the only professor left to place and we had to put them in 1992.
D must be false. P can never go in 1993.
E must be false. P has to be hired in 1992, since they are the only professor we had left to place.
Want a free Logic Games lesson?
Get a free sample of the Logic Games Mastery Seminar. Learn tips for going faster at logic games