Wrong! That won't work.
The only thing that will work is . . .
. . . bribery.
Next time, how to confuse your children in two easy steps!
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. . . difficult to say, really.
Next time, how to get your daughter to set the table!
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You have a herd of cattle and a herd of horses (though that didn't sound quite right), but (thank you, James Lipton, for your Exaltation of Larks, a lovely book of collective nouns), you have a string of ponies. I've also heard of a pack of wild horses and a stud of mares.
But what would you call a group of mustangs?
Easy! A sally of mustangs!
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