add prompt about llama2.c HOT 2 CLOSED

Match the longest conversation.
Not sure if this spec is correct.

Test
./run model44m.bin 0.9 200 "My name is"

My name is Lucy. Every day, she goes outside to play in the snow. One day, she decided to go on a snow castle.
When she got to the moat, Lucy was so excited. She found a big, thick cave and started to explore.

bug1(fixed)
./run model44m.bin 0.9 200 "My name is cat."

My name is catch.". One day, while wearing a warm, white coat, caught my eye in a soccer game. He wanted to join in and play in the game.

cat -> catch???????????????????
Will the input be illegally referenced?

bug2
./run model44m.bin 0.9 200 "What is your name?"

[What][ is][ your][ name][?]?" asked her mommy.
She was so excited! 
"I am called худо," dodged her mommy.
J dialed her name over to appear. Then she waited.
Soon enough, the call came and mommy was there. 
"J fel", she said.
J otro punched.
But then, something strange happened. 

last token(?) not apply?

from llama2.c.

Now it supports prompt. Added on this commit

from llama2.c.