3: error: Cannot infer type argument 2 of "chain"  [misc]
3: error: Layer mismatch, output not compatible with next layer  [layer-mismatch-output]
3: error: Layer mismatch, input not compatible with previous layer  [layer-mismatch-input]
5: error: Cannot infer type argument 1 of "add"  [misc]
5: error: Layer mismatch, output not compatible with next layer  [layer-mismatch-output]
5: error: Layer mismatch, input not compatible with previous layer  [layer-mismatch-input]
8: error: Layer mismatch, output not compatible with next layer  [layer-mismatch-output]
8: error: Layer mismatch, input not compatible with previous layer  [layer-mismatch-input]
12: error: Layer mismatch, output not compatible with next layer  [layer-mismatch-output]
12: error: Layer mismatch, input not compatible with previous layer  [layer-mismatch-input]