Olivia has $32$ clothes, $4$ of them are yellow, $10$ are blue, $13$ are purple, and the others are white. Suddenly the power is off, and it is all black in the room. At least how many clothes should Olivia pick in order to guarantee that she gets $8$ clothes in the same color? 
Overseas Competition->Knowledge Point->Word Problem Modules
$$4+5+7+7+1=24$$ 