Because she wanted to get a good scoop.
or
The baker, because he has lots of dough.
or
One. You don't believe me do you? I've got photos! See that big blob? Well, just squint your eyes a bit. . . .
or
Seven. One to install the new bulb and six to figure out what to do with the old one for the next 10,000 years.
or
The dentist is taking me out tonight.
or