The ones with la are feminine and the ones with el are masculine. When the noun ends in an “a” it’s obviously feminine and when a noun ends in “el” it’s obviously masculine. It’s hard to tell whether it’s masculine or feminine when theres los and las and when it doesn’t end in an “a” or “e”
The third one is A
The fourth one is b
The fifth one is c
The sixth one is colgate
The seventh one is dove
The 8th is falso
The third one is cierto
