This is a trader message to json representation task for which I want to generate a training dataset for NLP.  
Here is one example datapoint showing you the type of data I want: trader_message: '10y usd/mxn xccy in 25m usd',  json_output: {'Maturity': '10y', 'PayCcy': 'USD', 'Size': '25000000',  'RecCcy': 'MXN',}. 
Make sure to generate at least one datapoint having one key different from the example I have provided and different fx crosses. Generate the training dataset.