Lan Wangji has to visibly think about this,
“I would have to say no. The train makes it’s selections seemingly at random and with little regard for capability. There are children on board, who may or may not have powers, but they should not be at such risk. The train does not communicate with us, nor offers guidance or training for the missions it assigns. You have to seek your own improvement.”
He does pause here, calming down a little.
“It does offer sufficient food and housing, albeit in dormitory style living.”