21.   But despite this brief brush with the law there were no obvious signs that these were two boys headed for major trouble.

22.   But in many cases reviewed by the P-I, obvious warning signs went unheeded.

23.   But inspectors cannot always detect contaminated meat just by quickly smelling or looking for the obvious signs of decay.

24.   But one obvious sign of advancement is that federal prosecutors appear to have shelved plans to file a lawsuit accusing the city of failing to effectively punish brutal officers.

25.   But the most obvious sign of our overstuffed society may be our own front yards.

26.   But to those familiar with the city, there were obvious signs of disquiet.

27.   By the time obvious signs appear, it may be difficult to save the tree.

28.   Daily, a detective with the Suffolk County Police Department in New York, says some coaches ignore obvious warning signs because of the pressures to win.

29.   Dressed in a blue golf shirt and dark slacks, Jacobson showed no obvious signs of the Multiple Sclerosis his lawyer said had left him paralyzed years ago.

30.   Diseased trees can collapse before they die, and the fungi may be the only obvious sign of trouble.