Unfortunately this sounds like a tough situation. Lead has pass trail has crash is tough to apply here because your trail was most likely to far away to see what happened correctly. (had he he could have took it) If you didn't see the contact definately you cannot call a foul. Team B gets the ball OOB anyway so for the most part other than the coach whining about contact and A1 maybe luckily avoiding a foul, everything worked out OK. This is a tough sitch to be in in 2 person. I bet in 3 person there would have been a better look at this. Maybe that is not feasable in your area (just my plug for the superiorities of 3 person)