Summer blockbusters, which often make a lot of money, take up most of the theater space.

Summer blockbusters take up most of the theater space, which is important to consider when planning to release indie movies during the season.

Wrestlers that perform a package piledriver get suspended. That isn't fair for those that perform a tombstone. They're both similar moves.

• "that" from first sentence modifies "Wrestlers"

• "That" in second sentence refers to first sentence.

• "those" in second sentence refers to "Wrestlers"

• "They're" refers to "package piledriver" and "tombstone"

This was hard.

Even though excessive alcohol is bad for your liver, we should celebrate by drinking some wine tonight since you got accepted into law school.

Instagram is the number one social media app.

All social media apps rot your brain.

Therefore, Instagram rots your brain.

All apps that rot your brain are not worth downloading.

Instagram is not worth downloading.