TASK DEFINITION: Given a text, write a compressed version of it in a single sentence.
PROBLEM: A study by the Department of Health and Human Services shows that kids are four times as likely to do it on Halloween as on any other evening.

SOLUTION: Department of Health & Human Service's study shows how kids are more likely to do it on Oct31 as other days

PROBLEM: The set of states flowing into a state cycle attractor plus that state cycle is called the "basin of attraction" of the attractor.

SOLUTION: The set of states flowing into a state cycle attractor called basin of attraction.

PROBLEM: Mariachi groups have been very popular in southern California since the 1930s, and currently hundreds of groups have been formed in the Los Angeles area. Even students at the University of California at Los Angeles formed a group in 1970 called Mariachi Uclatlan.

SOLUTION:
Mariachi has been popular in Californi since 1930s and many have been formed in Los Angeles. Students at Univerity of California formed the Mariachi Uclatlan group