Three students are named Sean, Juan, and Tran Vo. Each owns one of the following bicycles: a Trek, a Gary Fisher, and a Surly. Each student also has a girlfriend. The girls’ names are Carmen, Monique, and Beth.
Tran Vo neither owns a Surly nor is Monique’s boyfriend. The Trek does not belong to Juan nor is Carmen his girlfriend. If Carmen’s boyfriend is either Juan or Tran Vo, then the Surly belongs to Beth’s boyfriend. If the Surly belongs to Juan, then the Gary Fisher does not belong to Carmen’s boyfriend. What is the brand of each student’s bike and his girlfriend?
Tran Vo-Trek-Beth
Juan-G Fisher-Monique
Sean-Surley-Carmen
You can write everything on slips of paper and push them around until everything fits.