In this question, three 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 follows/follow from the statements.

Statements:
I. No streak is a line.
II. Some lines are bands.
III. All bands are flashes.

Conclusions:
I. Some flashes are streaks.
II. No flash is a line.