there are a lot of things (to talk)还是（to talk about）?

there are a lot of things (to talk)还是（to talk about）?
there are a lot of things (to talk)还是（to talk about）?

there are a lot of things (to talk)还是（to talk about）?
to talk about .作things 的定语,talk 是不及物动词,所以要加介词about