Two statements are given, followed by two conclusions numbered I and II. 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:
Some streams are rivers.
Some rivers are oceans.
Conclusions:
I. Some streams are oceans.
II. All rivers are oceans.
1
Only conclusion I follows
2
Both conclusions I and II follow
3
Only conclusion II follows
4
Neither conclusion I nor II follows