 
 <prompt> ```Madam Bristol measure the weight of one closed beaker wey get plenty ice cubes. The weight na 100 g. One hour later, after the ice cubes don melt, Madam Bristol measure the weight of the beaker again. Wetin be the weight of the beaker of water the second time?

+ 50 g;
+ 75 g;
+ 100 g;
+ 125 g;``` <response>: ```100 g``` 