it is better to solve such questions using tree diagrams. They are systematic and easy to comprehend. whenever the statement mentions one group. it automatcally brings the information for second group. Check the tree diagram below and check options one by one
option A : If there are artists interested in the prospect of great personal fame, they are sympathetic to social justice.
This is correct because those who are interested in fame are unemployed and unemployed are only sympathetic to social justice (tree diagram 2)
option B : All artists uninterested in the prospect of great personal fame are sympathetic to social justice.
Check tree diagram 2 , those who are not interested in prospect of great personal fame can come under both unemployed and employed so we cannot comment on whether they are sympathetic to social justice
option C :Every unemployed artist is interested in the prospect of great personal fame.
From tree diagram 2, unemployed artist could be interested in fame or not
option D : If an artist is sympathetic to social justice, that artist is unemployed.
check tree diagram 1, it is not necessary that artist is unemployed if he is sympathetic to soical justice
option E : All artists are either sympathetic to social justice or are interested in the prospect of great personal fame.
Check both tree diagram 1 and 2, if you check unemployed artist from both diagram you will see option E cannot be inferred.
Hence answer is A
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