The only students to pass the class were ones who came to every lecture.

Indicator: the only

Sufficient: pass the class; necessary: attend every lecture

PC --> EL

/EL --> /PC

Ballet --> Type of Dance

Basketball Player --> Person Who Can Dribble

Disney: New York City Ballet has introduced a partnership with Timothee Chalamet. Ballerinas who dance five ballets for Kris Jenner have the opportunity to meet Kylie. Anyone else looking to meet Kylie has to buy a lip kit. Jules is a ballerina at NYCB who has never bought a lip kit and met Kylie. Thus, Jules must have danced five ballets for Kris.

Tiger: Not every body of water is safe to swim in. The waves in popular vacation spot, Los Cabos, notoriously sweep tourists out to sea.

Detective: Jack came home to his bed being damp. He saw his dog, Gauge, sitting sheepishly on the covers with a look that typically indicates he peed inside. After smelling the wet spot, Jack assumes Gauge peed on his bed because he wasn't home to let him out.