We would like you to assess the QUALITY of each of the following argument (discussing Gay Marriage) and determine if the argument is Valid or Invalid. A valid argument is clearly interpretable and either expresses an argument, or a premise or a conclusion that can be used in an argument for the topic of gay marriage. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of gay marriage.

However, a man and a woman are both "persons" under the law and are not treated differently under the law.
Valid

The federal DOMA was an effort to quarantine same-sex marriage, to exclude same-sex couples from federal rights and benefits even if states were to legalize same-sex marriage, which several have done since 1996.
Valid

The Defense of Marriage Act, or DOMA, was enacted by Congress in 1996 when it appeared Hawaii would soon legalize same-sex marriage and opponents worried that other states would be forced to recognize such marriages.

Valid

