I'll give you a question, please answer with step-by-step reasoning process.
Where would a box office be selling tickets for something that is happening outside?\nOptions:\n- movie theater\n- theater district\n- ballpark\n- theatre\n- street

ballpark
Events happen in a ballpark.

Events in a ballpark happen outside.

Box office sells tickets for events happening in the ballpark.

.

So, the answer is ballpark