In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

[Q]: La reacción de 3-nitrobenzaldehído con NaBH4 en metanol acuoso da
[A]: The reaction of 3-nitrobenzaldehyde with NaBH 4 in aqueous methanol gives


[Q]: El neumotórax se produce como consecuencia de la entrada de aire en
[A]: Pneumothorax occurs as a result of the entry of air into


[Q]: Un patógeno de rata que tiene a las pulgas como vectores de transmisión a humanos es
[A]:
A rat pathogen that has fleas as vectors of transmission to humans is