fig,ax = plt.subplots(2,2,figsize=(10,10))
sns.lineplot(x="timepoint", y="signal", data=fmri, ax=ax[...0][0])
sns.lineplot(x="timepoint", y="signal", data=fmri, hue="event", ax=ax[0][1])
sns.lineplot(x="timepoint...", y="signal", data=fmri, hue="event", style="event", ax=ax[1][0])
sns.lineplot(x="timepoint", y="signal