Analyze the relationship between 'Redmi' and 'Xiaomi' within the context of the input sentence.
Options: parent organization, legal form, industry, founded by

And several smartphones were launched in the Q2 with our latest-generation sensors, for example, LG K41S, LG K61 with FPC1520 and Xiaomi Redmi Note 9 Pro and Xiaomi Redmi Note 9 Pro Max with FPC1540 sensor.
parent organization