Which one of the following statements related to lanthanons is incorrect?

All the lanthanoids ae much more reactive than aluminium. Like calcium first few members of Lanthanoids series are reactive. When their atomic number increases they act as a aluminium metal. First few members of Lanthanoids series are reactive. 

We cannot compare Lanthanoids and aluminium reactivity because they belong to different blocks.

Not all Lanthanoids are more reactive than aluminium.