person A: i thought i was going to be attacked by a huge dog running at me in the dark!
person B: I hate that! Where they're probably friendly_comma_ but because they're so big_comma_ you have no idea what could or would happen_comma_ so you get so defensive..
person A: EXACTLY!he just wanted to play. but i had never met him befeore to know that
person B: My brother has a large lab_comma_ although they're pretty sure it has to be part of something else_comma_ because it's over a hundred pounds and looks much bigger than a normal lab. She's a sweet dog_comma_ has the energy of a puppy though_comma_ so she comes tearing at you with speed and you think you're about to die.. But she's just being playful.