Class 387

An dual-voltage EMU used by Gatwick express, Great Western Railway, c2c, Great Northern and Heathrow Express
c2c has got rid of their 387s and GWR now has them
They still have the c2c livery but have a GWR logo on them

Person 1: What's the next train?
Person 2: A class 387
Person 1: What operator?
Person 2: GWR but it's in c2c livery
Person 1: Oh