5 professors — A, B, C. D and E — met at a conference and were planning to discuss their Ideas with each other. Each professor speaks exactly two languages among English. French. Russian. Chinese and Hindi. Further. any two professors can discuss their ideas with each other only if they speak at least one language in common.
It is also known that no two professors speak the same set of two languages and each language is spoken by exactly two professors.
Further, it is also known that:
A can discuss his ideas with C.
B, who speaks English, can discuss his ideas with E.
One of the professors who speaks Russian can discuss his ideas with one of the professors who speaks French.
One of the languages that C speaks is Chinese, and he can discuss his ideas with E.
D speaks Hindi but not English, while E speaks French.
Who speaks with whom?
Source : imsindia.com
Please tell the approach.