On one Tuesday during his first semester at the University of South Africa, Mokete attends a commercial law lecture and is instantly smitten by a classmate, Gugu. After the lecture, he eagerly approaches her, introduces himself, and suggests they grab a cup of coffee together the following day. Gugu agrees, and they plan to meet outside the campus coffee shop on Wednesday at 10 a.m. On the day, Mokete waits eagerly, but Gugu never shows up. Feeling let down, Mokete, who is studying law, wonders if there's any legal recourse for Gugu's absence. He later finds out that Gugu had fallen in love with Samuel and had gone out on a date with him instead on the same day.

Which ONE of the options provided below will complete the following sentence CORRECTLY? 

Mokete’s appointment with Gugu was NOT a contract because ________