Three statements are given, followed by Three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
All buildings are houses.
Some houses are palaces.
No palace is a mansion.
Conclusions:
I. Some buildings are palaces.
II. Some mansions being not houses is a possibility.
III. No building is a palace.
1
Both conclusions I and II follow
2
All conclusions, I, II and III, follow
3
Conclusion II and either conclusion I or conclusion III follows
4
Only conclusion I follows