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, many teenagers who get pregnant didn't truly love their partners, just as many couples who truly love each other can not reproduce children due to infertility problems.
Invalid

However, some arguments in support of same-sex marriage have nothing to do with polygamous marriage.
Valid

But one who teaches that homosexuality is wrong, yet who sees violence against homosexuals and also states that we should not harm them cannot be blamed for violence.

Valid

