1: True/false question (0.2 points): 1. In Prolog, variables start with an uppercase letter. 2. SWI-Prolog provides a graphical user interface (GUI) for interactive development. Your answer: True or false? Please write it down here: Question 2: Multiple choice question (0.4 points): In Prolog, what does the term "backtracking" refer to? 1. The process of finding alternative solutions 2. The process of compiling Prolog programs 3. The process of performing arithmetic operations 4. The process of defining new predicates Your answer: Choose the best answer and write it down here