$1+3+5+\ldots+2017+2019-2 -4-6-\ldots-2016-2018$  $=1+(3-2)+(5-4)+\cdots +(2017-2016)+(2019-2018)$  $=1+1+1+\cdots +1+1$  $=1010$ 
What is the value of $1+3+5+\ldots+2017+2019-2 -4-6-\ldots-2016-2018$? 
Options:
$$-1010$$ 
$$-1009$$ 
$$1008$$ 
$$1009$$ 
$$1010$$ 