Stock traders classify their positions as being BULLISH $($stock price rising or BEARISH $($stock price falling$).$ If we use $1$ for BULLISH trades and $2$ for BEARISH trades, what would be the correct sequence of $1$s and $2$s for the following equity trades:

$()$ Long a put on Chevron CVX

$()$ Short a put on Exxon XOM

$()$ Long a call on Alcoa AA

$()$ Short a call on Freeport$-$McMoran FCX

$()$ Long a CALL spread on Apple AAPL

$()$ Long a PUT spread on Microsoft MSFT

a$.$

$2-1-1-2-1-2$

b$.$

$2-1-1-2-2-1$

c$.$

$2-1-2-1-1-2$

d$.$

$1-2-2-1-2-1$