Given a text, write a compressed version of it in a single sentence.

Input: Consider Input: DiClemente observed that Project MATCH had examined associations between gender and treatment outcome and found that females did better in 12-step programs. However, to examine the effect of matching interventionists and patients would require randomizing large numbers of patients to a large number of interventionists.

Output: DiClemente observed that Project MATCH had examined associations between gender and treatment outcome and found that females did better. However, it would require randomizing large numbers of patients to a large number of interventionists.

Input: Consider Input: It would be the highest-level contact between the United States and North Korea since President Bush took office.

Output: It would be the highest-level contact b/t the US and North Korea since Bush began.

Input: Consider Input: UPS does not provide parcel service at the ordinary rate to the Alaska bush where there are no roads and service must be provided by air.
Output: UPS does provide parcel service to Alaska bush at a higher rate, deliveries must be provided by air.