“Frankly,” said Trevize, “it’s annoying not to know the pronoun to use in connection with the creature. It impedes thought and conversation to hesitate forever at the pronoun.” “But that’s the fault of our language,” said Bliss, “and not of Fallom.
And then, sadly, they saddle Fallom with 'she' because they can't think of anything else, even though Fallom's father explicitly used 'it' for their people.