With the accommodation sorted we proceeded to have a lovely tea party in the back yard & amp ; the kids played croquet & amp ; soccer on the lawn . Then Tom and Peter did a bit of bike riding with Rachel on roller skates around a nearby school yard . Later they played Monopoly with Peter using a German board which was a challenge for them but fun .

Generate a question about the above context.
Why was it tough for the crew to play Monopoly ?
Possible answers:
+ The crew could n't keep track .;
+ The crew could n't do math .;
+ None of the above choices .;
+ The crew could n't read German .;