Correct option is B
From the statement following Venn diagram can be-

Conclusions:
I. Some lions are pandas.
From Statement 2, some pandas are giraffes.
From Statement 3, all giraffes are lions.
Therefore, the giraffes that are pandas are also lions.
Conclusion I is true.
II. Some lions are monkeys.
there is no direct connection between monkeys and giraffes or lions in the statements.
Conclusion II does not follow.
III. Some giraffes are monkeys
there is no direct link between giraffes and monkeys.
Conclusion III does not follow.
Correct answer is Only conclusion I follows
Thus, correct option is (b).