$1.(54$ points, $18$ points for each one$)$ For each of the following agents, specify the sensors$,$ actuators, and environment:

a$.$ microwave oven:

Sensors $$

actuators $$

environment $$

b$.$ chess program :

sensors $$ user input,

actuators $-$

environment $-$

c$.$ autonomous supply delivery plane:

sensors $-$

actuators $-$

environment $-$