In a selection process for a cooking competition, participants must be either vegetarian or have experience in baking. Lisa is a vegetarian, Mark has experience in baking, and John is neither. Who qualifies for the competition?
A book club is selecting members based on the following conditions: members must have read at least three books in the last year and must be over 18 years old. Emma has read five books and is 20, Liam has read two books and is 19, and Noah has read four books but is 17. Who can join the book club?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice and Bob cannot be selected together. Charlie can only be selected if David is also selected. Eva can be selected only if Charlie is not selected. Which of the following combinations can be selected?
A group of students: 1, 2, 3, 4, and 5 must be selected based on these rules: 1 and 2 cannot be selected together. 3 must be selected if 4 is selected. 5 can be selected only if 3 is selected. Which of the following selections is valid?