Which question is being asked in this story problem?

max has a box of marbles and spinning tops. there are 15 marbles and 8 spinning tops in his box. max gives his brother four marbles. max's brother already had three marbles.

how many items are left in max's box?

a.
how many marbles does max's brother have now?

b.
how many marbles does max have left in his box?

c.
how many marbles and spinning tops does max have in his box now?

d.
how many spinning tops did max give to his brother?