When Michele falls down the stairs, his parents rush to the car to get him to the hospital. When his mother finds him, she is wearing the white gown she wore at the dinner. When they first arrive at the hospital, she has a fur coat on. A few hours later, suddenly she has changed into a grey suit.
When Irene closes the outer door to Ines' apartment, she does not lock it with a key. A moment later after conversing with the neighbor on the stairs, she goes back in, using a key. The key would be unnecessary because the door was never locked.