Examples of recreation activities are walking, swimming, meditation, reading, playing games and dancing. Leisure refers to the free time that people can spend away from their everyday responsibilities:()
I think it's not valid because it doesn't say everything with six legs is an insect. As it is, the banquet table and insects just share a common trait. So, I would add that "Everything with six legs is an insect" before claiming that "the banquet table is an insect".
What is unit 1. is there supposed to be like a graph?