[lemma=and] [tag=VBZ] [□] □ □
[lemma=and] [tag=VBZ] [□=□] □ □
[lemma=and] [tag=VBZ] [□ & □] □ □
An artist 's illustration depicts a quasar in the center of a galaxy that has turned on and is expelling gas at high speeds in a galactic superwind .