When we take a look at what this means, what we see is that this not only works if the middle passenger sneezes, but also if the window-seat passenger sneezes or if the aisle-seat passenger sneezes.
Kada razmislimo što ovo znači, vidimo da to ne funckionira samo ako putnik u sredini kihne, nego i ako putnik u sjedalu uz prozor kihne ili ako putnik uz prolaz kihne.