Use the following block of code below to answer this question. The value of conditions not stated in the possible answers are unknown.

if condition$\_1$a and condition$\_1$b:

function$1()$

elif condition$\_2$a or condition$\_2$b:

function$2()$

elif not condition$3$:

function$3()$

else:

function$4()$

function$2$ will be executed $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$