You can mop around your washer and dryer without it being his mess.
This justifies what answer for what question? Q & A: 
Premise: "A young boy wearing a red shirt and tan pants mops the area around his washer and dryer."
Hypothesis: "A boy is trying to clean up his mess."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell
You can mop around your washer and dryer without it being his mess.
This justifies what answer for what question? Q & A: 
user
Premise: "A young boy wearing a red shirt and tan pants mops the area around his washer and dryer."
Hypothesis: "A boy is trying to clean up his mess."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell
assistant
You can mop around your washer and dryer without it being his mess.
This justifies what answer for what question? Q & A: 
Premise: "A young boy wearing a red shirt and tan pants mops the area around his washer and dryer."
Hypothesis: "A boy is trying to clean up his mess."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell