1,2, and 4 would be indirect. 3 would be direct.
You need to give us the text
Generally speaking, the maximum number of links in a food chain is 5.
Answer: 5
Salva makes sure that everyone has a job—gathering firewood, hunting for food, keeping watch. Salva draws courage and inspiration from his memories of his family. He remembers the way his older siblings would lead him, and the way his sisters and mother would treat him gently.