The gains in value from which of the following are LEAST likely to be assessable income in Australia based on the lectur

[answerhappygod]

The gains in value from which of the following are LEAST likely
to be assessable income in Australia based on the lecture
material:
Zihan bought a one bedroom apartment for $500,000 and sold it 5
years later for $600,000. She rented it out as an investment
property for the entire period.
John bought a one bedroom apartment for $500,000 and sold it 5
years later for $600,000. He lived in it for the entire period as
his main residence.
Sarah bought Bitcoin for $10,000 and sold it later for
$15,000.
Haoyu bought some stocks for $10,000 and sold them later for
$15,000.