Mazda B3000 or B4000 Truck Rear Seating???

Hello,

I am interested in the Mazda B3000 & B4000 series trucks. But I have to children with car seats, so I need to know what exact type of seating is in the back of the truck. Could anyone please tell me if they know what kind of rear seating is in the back of any of these Mazda B3000 or B4000 types?

2000 Mazda B3000 SE Cab Plus (4 door)
2000 Mazda B3000 Troy Lee Cab Plus (4 door)
2001 Mazda B3000 SE Cab Plus (4 door)
2003 Mazda B3000 SE Cab Plus (4 door)
2004 Mazda B3000 SE Cab Plus (4 door)
2005 Mazda B3000 Extended Cab (4 door)

2001 Mazda B4000 Dual Sport Cab Plus (4 door)
2002 Mazda B4000 Dual Sport Cab Plus (4 door)
2004 Mazda B4000 Dual Sport Cab Plus (4 door)

Thanks for all the help.