"It's a reasonable assumption, given their previous interest in the helmet."

It was hard to formulate any reasonable assumptions, given the paucity of information.

All this assumes the two barges will arrive safely, which is a fair assumption, given known risk factors.

That's probably a valid assumption, of course, given our lack of data at the present time.

It isn't even an unfair assumption, given my usual behavior.

In addition, some investors sold on the assumption that bond prices were as high as they are going to get, given the current market fundamentals.

This seems like a reasonable assumption given the physical-chemical properties of ethanol.

And that assumes, of course, that an opened plant operates as expected, which is a sizable assumption given the troubled plant's sorry history.

This is a reasonable assumption given the small size and high susceptibility of the magnetic particles.

It was a fair enough assumption given Rydall's disposition toward game playing.