Mark wanted to go home Gale wanted to go to the truck show.
b) Mark wanted to go home; however, Gale wanted to go to the truck show.
c) Mark wanted to go home however Gale wanted to go to the truck show.
d) Mark wanted to go home, Gale wanted to go to the truck show

I think it's option 'c'.

I like Mariah Carey; Beyonce is preferred by my sister.