Consider the following knowledge base in PROLOG:Facts:$1.$ course$($ai$)\mathrm{.}2.$ course$($ml$)\mathrm{.}3.$ course$($dbms$)\mathrm{.}4.$ teaches$($prof$1,$ ai$)\mathrm{.}5.$ teaches$($prof$2,$ ml$)\mathrm{.}6.$ teaches$($prof$3,$ dbms$)\mathrm{.}7.$ enrolled$($student$1,$ ai$)\mathrm{.}8.$ enrolled$($student$2,$ ml$)\mathrm{.}9.$ enrolled$($student$3,$ dbms$)\mathrm{.}10.$ enrolled$($student $1,$ dbms$).$Rule:guide$($Professor$,$ Student$)$ :$-$ teaches$($Professor$,$ Course$),$ enrolled$($Student$,$ Course$).$Query:?$-$ guide$($X$,$ Y$).$Task:$1.$ Explain the meaning of the rule guide $($Professor$,$ Student$).(2$ pts$]2.$ Consider yourself as a PROLOG interpreter and list all possible guide$($X$.$ Y$)$ pairs. $[4$ pts$]3.$ Discuss the reasoning behind the query results explaining how the query will be executed. $[2$ pts$]$