a car park capable of 1,000 vehicles is available under this building complex. furthermore, if people drink too much caffeine later in the day, they may have trouble falling asleep which will cause them to sleep fewer hours and have to continue the cycle of drinking more caffeine the next day to feel awake throughout the day. the picket boat was destroyed by enemy fire and almost the entire crew taken prisoner or lost. the empty string is the special case where the sequence has length zero, so there are no symbols in the string. 