And how would you measure it to see if they had a valid complaint?

This may be a valid complaint during the regular season.

Sometimes (often) that might even be a valid complaint.

"If he is the lord of his people, he should listen to a valid complaint."

Only those who weren't warned that there was an investment risk could use this as a valid complaint.

Then you have a valid complaint, but not against me; against your colleagues who were gulled into thinking that this house was empty.

Pan Am promised a free flight to anyone with a valid complaint about service in first class on certain flights.

"It certainly seemed like a valid complaint to me," she said.

But that is not much of a burden: those panels have provided effective relief so far in every case where Washington has brought valid complaints.

And at times, that has been a valid complaint, as with mandatory religious exercises in schools.