Statements:
Only a few Rays are Radiation.
Some Radiations are laser.
Only Lasers are Derma.
Conclusion
I) Some Lasers are Radiation.
II) Some Dermas are Ray.
Some Radiations are laser (I) → Some Lasers are Radiation (I). Hence conclusion I follows. Only Lasers are Derma → All Derma are Lasers and Derma cannot have any positive relation with anyone. Hence conclusion II does not follow.
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