Statements: Some scientists are writers. All writers are clear thinkers.
Conclusions:
I. Some scientists are clear thinkers.
II. Some clear thinkers are scientists.

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A Only conclusion I follows
B Only conclusion II follows
C Both conclusion I and II follow
D Neither conclusion I nor II follows

Show answer and explanation

Answer: C. Both conclusion I and II follow

Explanation : The "Scientists" circle overlaps partially with the "Writers" circle. The "Clear Thinkers" circle is drawn completely around the "Writers" circle.

Checking Conclusion I & II: Because "Clear Thinkers" completely swallows the "Writers" circle, it is forced to cross into the overlapping zone shared by "Scientists" and "Writers". This creates a guaranteed intersection between "Scientists" and "Clear Thinkers", making both conclusions perfectly valid.

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Statements: Some scientists are writers. All writers are clear thinkers. Conclusions: I. Some scientists are clear thinkers. II. Some clear thinkers are scientists.

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Statements: Some scientists are writers. All writers are clear thinkers.
Conclusions:
I. Some scientists are clear thinkers.
II. Some clear thinkers are scientists.