What is vinyl carbinol among the following?

The $IUPAC$ name of the following compound is

The $IUPAC$ name of $OHC-CH_2-CH=CH-CHO$ is

Write the $IUPAC$ names of the following structures:
$(i)$ $CH_3-CH=CH-CH(Br)-CH_3$
$(ii)$ $CH_2=C(CH_3)-CH(Br)-CH_3$
$(iii)$ $CH_3-CH=C(CH_3)-CH(Br)-CH_3$
$(iv)$ $CH_3-C(CH_3)=CH-CH_2Br$
$(v)$ $CH_3-CH=CH-CH_2Br$
$(vi)$ $CH_2=C(CH_3)-CH_2Br$

The $IUPAC$ name of the given compound is:

What is the $IUPAC$ name of the following compound?