Which equation represents an example of Friedel-Craft's reaction

${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Cl}+{\mathrm{CH}}_3\mathrm{COCl}\stackrel{{\mathrm{AlCl}}_3}{\to } {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{COCH}}_3+{\mathrm{Cl}}_2$
 

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Br}+\mathrm{Mg} \stackrel{\mathrm{Ether}}{\to } {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{MgBr}$
 

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}+\mathrm{HCl} \stackrel{{\mathrm{ZnCl}}_2}{\to }{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}+{\mathrm{H}}_2\mathrm{O}$

${\mathrm{C}}_6{\mathrm{H}}_6+{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl} \stackrel{{\mathrm{AlCl}}_3}{\to } {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{C}}_2{\mathrm{H}}_5+\mathrm{HCl}$