Find two examples where Swift uses ambiguity in the essay.

Ambiguity:

These mothers, instead of being able to work for their honest livelihood, are forced to employ all their time in strolling to beg sustenance for their helpless infants.

There is likewise another great advantage in my scheme, that it will prevent those voluntary abortions, and that horrid practice of women murdering their bastard children, alas! too frequent among us, sacrificing the poor innocent babes, I doubt, more to avoid the expence than the shame, which would move tears and pity in the most savage and inhuman breast.