In an amusement park seven friends – Feroz, Gautam, Harish, Javed, Kumar, Laxman and Mohan are deciding who will ride the roller coaster. There is time for only one ride before the park closes. If Feroz rides Gautam must ride. If Gautam and Harish both ride, Javed cannot ride. If Harish and Javed both ride, Laxman cannot ride. If Javed rides, either Kumar or Mohan must ride. Kumar and Laxman cannot both ride, but one of them must ride. Kumar and Mohan cannot both ride.