Describe how subduction produces magma

Here's what I get  

Explanation:

When an oceanic plate is pushed under a continental plate, it sinks into the hot mantle.  

Water is forced out of the subducted plate and seeps into the mantle above.  

The water lowers the melting point of the hot mantle, which then liquefies to form magma.

answer; //the above statement is (false);

can you give me more to work here with plzs and you